Red Hat Security Advisory: httpd:2.4/mod_http2 security update
The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers. Security Fix(es): * httpd: CONTINUATION frames DoS (CVE-2024-27316) 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.
AI Analysis
Technical Summary
The mod_http2 Apache httpd module, which implements the HTTP/2 protocol on top of libnghttp2 for httpd 2.4 servers, contains a vulnerability involving CONTINUATION frames that can lead to denial of service (CVE-2024-27316). Red Hat has issued security advisories RHSA-2024:1786 and RHSA-2024:1872 providing updates for Red Hat Enterprise Linux 8 and 9 respectively to fix this issue. The vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption). The advisories include updated packages and instructions for applying the fixes.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service condition in the Apache httpd server running the mod_http2 module. This could disrupt web services relying on the affected httpd versions. No known exploits in the wild have been reported. The impact is limited to service availability degradation.
Mitigation Recommendations
Red Hat has released official security updates for affected versions of Red Hat Enterprise Linux 8 and 9 that address this vulnerability. Users should apply these updates as soon as possible. Detailed instructions for applying the updates are available in the Red Hat advisories and knowledge base article https://access.redhat.com/articles/11258. No additional mitigations are required beyond applying the official patches.
Red Hat Security Advisory: httpd:2.4/mod_http2 security update
Description
The mod_h2 Apache httpd module implements the HTTP2 protocol (h2+h2c) on top of libnghttp2 for httpd 2.4 servers. Security Fix(es): * httpd: CONTINUATION frames DoS (CVE-2024-27316) 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.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The mod_http2 Apache httpd module, which implements the HTTP/2 protocol on top of libnghttp2 for httpd 2.4 servers, contains a vulnerability involving CONTINUATION frames that can lead to denial of service (CVE-2024-27316). Red Hat has issued security advisories RHSA-2024:1786 and RHSA-2024:1872 providing updates for Red Hat Enterprise Linux 8 and 9 respectively to fix this issue. The vulnerability is categorized under CWE-400 (Uncontrolled Resource Consumption). The advisories include updated packages and instructions for applying the fixes.
Potential Impact
Successful exploitation of this vulnerability can cause a denial of service condition in the Apache httpd server running the mod_http2 module. This could disrupt web services relying on the affected httpd versions. No known exploits in the wild have been reported. The impact is limited to service availability degradation.
Mitigation Recommendations
Red Hat has released official security updates for affected versions of Red Hat Enterprise Linux 8 and 9 that address this vulnerability. Users should apply these updates as soon as possible. Detailed instructions for applying the updates are available in the Red Hat advisories and knowledge base article https://access.redhat.com/articles/11258. No additional mitigations are required beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:4390
- Cve Count
- 1
Threat ID: 6a419cbf27e9c79719ac0744
Added to database: 06/28/2026, 22:14:23 UTC
Last enriched: 08/04/2026, 16:51:28 UTC
Last updated: 09/10/2026, 19:36:47 UTC
Views: 104
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