Vulnerabilites related to Red Hat - Important: Red Hat JBoss Enterprise Application Platform 7.4.12 security update
CVE-2023-5379 (GCVE-0-2023-5379)
Vulnerability from cvelistv5
Published
2023-12-12 21:54
Modified
2025-09-26 06:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
A flaw was found in Undertow. When an AJP request is sent that exceeds the max-header-size attribute in ajp-listener, JBoss EAP is marked in an error state by mod_cluster in httpd, causing JBoss EAP to close the TCP connection without returning an AJP response. This happens because mod_proxy_cluster marks the JBoss EAP instance as an error worker when the TCP connection is closed from the backend after sending the AJP request without receiving an AJP response, and stops forwarding. This issue could allow a malicious user could to repeatedly send requests that exceed the max-header-size, causing a Denial of Service (DoS).
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2023:4509 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2025:9582 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2025:9583 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2023-5379 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2242099 | issue-tracking, x_refsource_REDHAT |
Impacted products
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| ▼ | Red Hat | Important: Red Hat JBoss Enterprise Application Platform 7.4.12 security update |
cpe:/a:redhat:jboss_enterprise_application_platform:7.4 |
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"name": "RHSA-2025:9582",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:9582"
},
{
"name": "RHSA-2025:9583",
"tags": [
"vendor-advisory",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/errata/RHSA-2025:9583"
},
{
"tags": [
"vdb-entry",
"x_refsource_REDHAT"
],
"url": "https://access.redhat.com/security/cve/CVE-2023-5379"
},
{
"name": "RHBZ#2242099",
"tags": [
"issue-tracking",
"x_refsource_REDHAT"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242099"
}
],
"timeline": [
{
"lang": "en",
"time": "2023-10-04T00:00:00+00:00",
"value": "Reported to Red Hat."
},
{
"lang": "en",
"time": "2023-12-12T00:00:00+00:00",
"value": "Made public."
}
],
"title": "Undertow: ajp request closes connection exceeding maxrequestsize",
"x_redhatCweChain": "CWE-400-\u003eCWE-770: Uncontrolled Resource Consumption leads to Allocation of Resources Without Limits or Throttling"
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2023-5379",
"datePublished": "2023-12-12T21:54:52.669Z",
"dateReserved": "2023-10-04T11:52:15.504Z",
"dateUpdated": "2025-09-26T06:27:04.157Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}