alsa-2026:41906
Vulnerability from osv_almalinux
Published
2026-07-20 00:00
Modified
2026-07-21 10:09
Summary
Important: httpd security, bug fix, and enhancement update
Details

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

  • httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)
  • Apache HTTP Server: mod_rewrite: Apache HTTP Server: Privilege Escalation via .htaccess file manipulation (CVE-2026-24072)
  • httpd: mod_auth_digest: timing attack allows a bypass of digest authentication (CVE-2026-33006)
  • httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)
  • httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)
  • httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server (CVE-2026-44185)
  • httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)
  • httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server (CVE-2026-44186)
  • httpd: Apache httpd mod_dav_fs: Denial of Service due to path handling issue (CVE-2026-42535)
  • httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc (CVE-2026-42536)
  • httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)
  • httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951)
  • httpd: Apache HTTP Server: Local .htaccess authors can read files with httpd user privileges (CVE-2026-44119)

Bug Fix(es) and Enhancement(s):

  • address Moderate severity issues from httpd 2.4.68 [almalinux-9.8.z] (JIRA:AlmaLinux-184520)
  • mod_proxy_html regression in CVE-2026-34355 fix [almalinux-9.8.z] (JIRA:AlmaLinux-192752)

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.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "httpd"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "httpd-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "httpd-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "httpd-filesystem"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "httpd-manual"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "httpd-tools"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "mod_ldap"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "mod_lua"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "mod_proxy_html"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "mod_session"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "mod_ssl"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1:2.4.62-13.el9_8.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.  \n\nSecurity Fix(es):  \n\n  * httpd: incomplete fix for CVE-2023-38709 (CVE-2024-42516)\n  * Apache HTTP Server: mod_rewrite: Apache HTTP Server: Privilege Escalation via .htaccess file manipulation (CVE-2026-24072)\n  * httpd: mod_auth_digest: timing attack allows a bypass of digest authentication (CVE-2026-33006)\n  * httpd: NULL pointer dereference via specially crafted request (CVE-2026-29169)\n  * httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers (CVE-2026-34356)\n  * httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server (CVE-2026-44185)\n  * httpd: Apache HTTP Server: Denial of Service via crafted regular expressions (CVE-2026-44631)\n  * httpd: Apache HTTP Server: Denial of Service in mod_proxy_ftp via attacker-controlled FTP server (CVE-2026-44186)\n  * httpd: Apache httpd mod_dav_fs: Denial of Service due to path handling issue (CVE-2026-42535)\n  * httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc (CVE-2026-42536)\n  * httpd: Apache HTTP Server: Buffer overflow in mod_proxy_html allows security bypass (CVE-2026-34355)\n  * httpd: Apache HTTP Server: Out-of-bounds Read in mod_headers and mod_mime (CVE-2026-43951)\n  * httpd: Apache HTTP Server: Local .htaccess authors can read files with httpd user privileges (CVE-2026-44119)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * address Moderate severity issues from httpd 2.4.68 [almalinux-9.8.z] (JIRA:AlmaLinux-184520)\n  * mod_proxy_html regression in CVE-2026-34355 fix [almalinux-9.8.z] (JIRA:AlmaLinux-192752)\n\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.\n",
  "id": "ALSA-2026:41906",
  "modified": "2026-07-21T10:09:49Z",
  "published": "2026-07-20T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:41906"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2024-42516"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-24072"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-29169"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-33006"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-34355"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-34356"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42535"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-42536"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43951"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-44119"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-44185"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-44186"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-44631"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2374549"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2464941"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2465293"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2465296"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486395"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486397"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486399"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486402"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486406"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486411"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486414"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486415"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2486416"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2026-41906.html"
    }
  ],
  "related": [
    "CVE-2023-38709",
    "CVE-2024-42516",
    "CVE-2026-24072",
    "CVE-2026-33006",
    "CVE-2026-29169",
    "CVE-2026-34356",
    "CVE-2026-44185",
    "CVE-2026-44631",
    "CVE-2026-44186",
    "CVE-2026-42535",
    "CVE-2026-42536",
    "CVE-2026-34355",
    "CVE-2026-43951",
    "CVE-2026-44119",
    "CVE-2026-34355"
  ],
  "summary": "Important: httpd security, bug fix, and enhancement update"
}



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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.


Detection rules are retrieved from Rulezet.