RHSA-2026:36846

Vulnerability from csaf_redhat - Published: 2026-07-08 19:33 - Updated: 2026-07-09 23:02
Summary
Red Hat Security Advisory: httpd:2.4 security update
Severity
Important
Notes
Topic: An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es): * httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020) * httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data() (CVE-2026-34059) * httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032) * httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857) * httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash (CVE-2026-33007) * Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780) * httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack (CVE-2026-49975) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service (DoS). The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users.

CWE-401 - Missing Release of Memory after Effective Lifetime
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Threats
Impact Moderate

A flaw was found in mod_proxy_ajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP (Apache JServ Protocol) server, to send a specially crafted message. This message can cause mod_proxy_ajp to write attacker-controlled data beyond a heap-based buffer, potentially leading to arbitrary code execution or a denial of service.

CWE-787 - Out-of-bounds Write
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Threats
Impact Important

A flaw was found in the mod_authn_socache module of httpd. This vulnerability allows an unauthenticated remote user to crash a child process due to a NULL pointer dereference when the server is operating in a caching forward proxy configuration.

CWE-476 - NULL Pointer Dereference
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Threats
Impact Moderate

A flaw was found in the mod_proxy_ajp module of httpd. When processing AJP (Apache JServ Protocol) messages, the AJP getter functions attempt to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause an out-of-bounds read. This issue leads to a denial of service.

CWE-125 - Out-of-bounds Read
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Threats
Impact Moderate

A flaw was found in the mod_proxy_ajp module of httpd. When processing AJP (Apache JServ Protocol) messages, the server fails to properly check if a string is null-terminated before attempting to read it, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue potentially leads to memory disclosure and a denial of service.

CWE-170 - Improper Null Termination
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Threats
Impact Moderate

A flaw was found in the mod_proxy_ajp module of httpd. When processing AJP (Apache JServ Protocol) messages, the ajp_parse_data function attempts to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue potentially leads to memory disclosure and a denial of service.

CWE-126 - Buffer Over-read
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Threats
Impact Moderate

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are then held, leading to a denial of service (DoS) by rendering the server inaccessible.

CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.AUS:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-debugsource-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-devel-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-filesystem-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-manual-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.noarch::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:httpd-tools-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debuginfo-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_http2-debugsource-0:1.15.7-3.module+el8.4.0+24495+1afced82.5.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ldap-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.src::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debuginfo-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_md-debugsource-1:2.0.8-8.module+el8.4.0+23842+00253415.1.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_proxy_html-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_session-debuginfo-0:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Unresolved product id: AppStream-8.4.0.Z.EUS.EXTENSION:mod_ssl-debuginfo-1:2.4.37-39.module+el8.4.0+24495+1afced82.12.x86_64::httpd:2.4
Vendor Fix fix
Workaround
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:36846 self
https://access.redhat.com/security/updates/classi… external
https://bugzilla.redhat.com/show_bug.cgi?id=2379343 external
https://bugzilla.redhat.com/show_bug.cgi?id=2464940 external
https://bugzilla.redhat.com/show_bug.cgi?id=2464952 external
https://bugzilla.redhat.com/show_bug.cgi?id=2464953 external
https://bugzilla.redhat.com/show_bug.cgi?id=2465299 external
https://bugzilla.redhat.com/show_bug.cgi?id=2466913 external
https://bugzilla.redhat.com/show_bug.cgi?id=2485371 external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2025-53020 self
https://bugzilla.redhat.com/show_bug.cgi?id=2379343 external
https://www.cve.org/CVERecord?id=CVE-2025-53020 external
https://nvd.nist.gov/vuln/detail/CVE-2025-53020 external
https://httpd.apache.org/security/vulnerabilities… external
https://access.redhat.com/security/cve/CVE-2026-28780 self
https://bugzilla.redhat.com/show_bug.cgi?id=2466913 external
https://www.cve.org/CVERecord?id=CVE-2026-28780 external
https://nvd.nist.gov/vuln/detail/CVE-2026-28780 external
https://access.redhat.com/security/cve/CVE-2026-33007 self
https://bugzilla.redhat.com/show_bug.cgi?id=2465299 external
https://www.cve.org/CVERecord?id=CVE-2026-33007 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33007 external
https://access.redhat.com/security/cve/CVE-2026-33857 self
https://bugzilla.redhat.com/show_bug.cgi?id=2464953 external
https://www.cve.org/CVERecord?id=CVE-2026-33857 external
https://nvd.nist.gov/vuln/detail/CVE-2026-33857 external
https://access.redhat.com/security/cve/CVE-2026-34032 self
https://bugzilla.redhat.com/show_bug.cgi?id=2464952 external
https://www.cve.org/CVERecord?id=CVE-2026-34032 external
https://nvd.nist.gov/vuln/detail/CVE-2026-34032 external
https://access.redhat.com/security/cve/CVE-2026-34059 self
https://bugzilla.redhat.com/show_bug.cgi?id=2464940 external
https://www.cve.org/CVERecord?id=CVE-2026-34059 external
https://nvd.nist.gov/vuln/detail/CVE-2026-34059 external
https://access.redhat.com/security/cve/CVE-2026-49975 self
https://bugzilla.redhat.com/show_bug.cgi?id=2485371 external
https://access.redhat.com/security/vulnerabilitie… external
https://www.cve.org/CVERecord?id=CVE-2026-49975 external
https://nvd.nist.gov/vuln/detail/CVE-2026-49975 external
https://blog.calif.io/p/codex-discovered-a-hidden… external

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        "text": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase (CVE-2025-53020)\n\n* httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data() (CVE-2026-34059)\n\n* httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check (CVE-2026-34032)\n\n* httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions (CVE-2026-33857)\n\n* httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash (CVE-2026-33007)\n\n* Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow (CVE-2026-28780)\n\n* httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack (CVE-2026-49975)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
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          "title": "Vulnerability description"
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          "text": "mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase",
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          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase"
    },
    {
      "cve": "CVE-2026-28780",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "discovery_date": "2026-05-05T22:01:12.666022+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2466913"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in mod_proxy_ajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP (Apache JServ Protocol) server, to send a specially crafted message. This message can cause mod_proxy_ajp to write attacker-controlled data beyond a heap-based buffer, potentially leading to arbitrary code execution or a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-28780"
        },
        {
          "category": "external",
          "summary": "RHBZ#2466913",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2466913"
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-28780",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-28780"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-28780",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28780"
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        {
          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
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      "release_date": "2026-05-05T21:29:41.527000+00:00",
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          "category": "vendor_fix",
          "date": "2026-07-08T19:33:00+00:00",
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            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
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        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow"
    },
    {
      "cve": "CVE-2026-33007",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2026-05-04T15:01:24.989510+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2465299"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the mod_authn_socache module of httpd. This vulnerability allows an unauthenticated remote user to crash a child process due to a NULL pointer dereference when the server is operating in a caching forward proxy configuration.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue allows an unauthenticated remote attacker to cause a crash in a child process. However, the main parent process remains active and functional. Due to this reason, this flaw has been rated with a moderate severity.\n\nThis flaw only affects configurations with mod_authn_socache loaded and being used. This module can be disabled via the configuration file if its functionality is not being used.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33007"
        },
        {
          "category": "external",
          "summary": "RHBZ#2465299",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2465299"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33007",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33007"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33007",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33007"
        },
        {
          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
        }
      ],
      "release_date": "2026-05-04T14:41:27.520000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-08T19:33:00+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "cvss_v3": {
            "attackComplexity": "LOW",
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            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash"
    },
    {
      "cve": "CVE-2026-33857",
      "cwe": {
        "id": "CWE-125",
        "name": "Out-of-bounds Read"
      },
      "discovery_date": "2026-05-04T14:01:10.810459+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2464953"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the mod_proxy_ajp module of httpd. When processing AJP (Apache JServ Protocol) messages, the AJP getter functions attempt to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause an out-of-bounds read. This issue leads to a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "To exploit this issue, the Apache HTTP Server must be configured to connect to an untrusted or compromised AJP backend server, limiting its exposure. Due to this reason, this flaw has been rated with a moderate severity.\n\nThis flaw only affects configurations with mod_proxy_ajp loaded and being used. This module can be disabled via the configuration file if its functionality is not being used.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-33857"
        },
        {
          "category": "external",
          "summary": "RHBZ#2464953",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464953"
        },
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-33857",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-33857"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-33857",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33857"
        },
        {
          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
        }
      ],
      "release_date": "2026-05-04T13:07:30.753000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-08T19:33:00+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "httpd: mod_proxy_ajp: off-by-one out-of-bounds reads in AJP getter functions"
    },
    {
      "cve": "CVE-2026-34032",
      "cwe": {
        "id": "CWE-170",
        "name": "Improper Null Termination"
      },
      "discovery_date": "2026-05-04T14:01:07.000400+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2464952"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the mod_proxy_ajp module of httpd. When processing AJP (Apache JServ Protocol) messages, the server fails to properly check if a string is null-terminated before attempting to read it, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue potentially leads to memory disclosure and a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "To exploit this issue, the Apache HTTP Server must be configured to connect to an untrusted or compromised AJP backend server, limiting its exposure. Due to this reason, this flaw has been rated with a moderate severity.\n\nThis flaw only affects configurations with mod_proxy_ajp loaded and being used. This module can be disabled via the configuration file if its functionality is not being used.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-34032"
        },
        {
          "category": "external",
          "summary": "RHBZ#2464952",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464952"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-34032",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-34032"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-34032",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34032"
        },
        {
          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
        }
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      "release_date": "2026-05-04T12:54:54.383000+00:00",
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        {
          "category": "vendor_fix",
          "date": "2026-07-08T19:33:00+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:36846"
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check"
    },
    {
      "cve": "CVE-2026-34059",
      "cwe": {
        "id": "CWE-126",
        "name": "Buffer Over-read"
      },
      "discovery_date": "2026-05-04T13:01:08.557596+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2464940"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the mod_proxy_ajp module of httpd. When processing AJP (Apache JServ Protocol) messages, the ajp_parse_data function attempts to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue potentially leads to memory disclosure and a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "To exploit this issue, the Apache HTTP Server must be configured to connect to an untrusted or compromised AJP backend server, limiting its exposure. Due to this reason, this flaw has been rated with a moderate severity.\n\nThis flaw only affects configurations with mod_proxy_ajp loaded and being used. This module can be disabled via the configuration file if its functionality is not being used.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-34059"
        },
        {
          "category": "external",
          "summary": "RHBZ#2464940",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464940"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-34059",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-34059"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-34059",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34059"
        },
        {
          "category": "external",
          "summary": "https://httpd.apache.org/security/vulnerabilities_24.html",
          "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
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      "release_date": "2026-05-04T12:39:42.273000+00:00",
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          "category": "vendor_fix",
          "date": "2026-07-08T19:33:00+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:36846"
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data()"
    },
    {
      "cve": "CVE-2026-49975",
      "cwe": {
        "id": "CWE-409",
        "name": "Improper Handling of Highly Compressed Data (Data Amplification)"
      },
      "discovery_date": "2026-06-05T06:04:44.009000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2485371"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are then held, leading to a denial of service (DoS) by rendering the server inaccessible.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The Apache\u0027s `httpd` HTTP/2 protocol implementation has a denial-of-service (DoS) vulnerability that is rated as Important. An unauthenticated remote attacker can exploit this flaw by combining HPACK compression with flow control manipulation, leading to significant server memory exhaustion and rendering the service inaccessible. This vulnerability exists in default HTTP/2 configurations.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-49975"
        },
        {
          "category": "external",
          "summary": "RHBZ#2485371",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2485371"
        },
        {
          "category": "external",
          "summary": "RHSB-2026-007",
          "url": "https://access.redhat.com/security/vulnerabilities/RHSB-2026-007"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-49975",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-49975"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-49975",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49975"
        },
        {
          "category": "external",
          "summary": "https://blog.calif.io/p/codex-discovered-a-hidden-http2-bomb",
          "url": "https://blog.calif.io/p/codex-discovered-a-hidden-http2-bomb"
        }
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      "release_date": "2026-06-03T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2026-07-08T19:33:00+00:00",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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