CVE-2024-27316
Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames
- State
- Published
- Severity
- 7.5 High
- Published
- Apr 4, 2024
- Updated
- Nov 4, 2025
- Reserved
- Feb 23, 2024
Description
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products
| Product | Versions |
|---|---|
Apache HTTP ServerApache Software Foundation |
|
References
- https://httpd.apache.org/security/vulnerabilities_24.htmlvendor-advisory
- https://www.openwall.com/lists/oss-security/2024/04/03/16
- http://www.openwall.com/lists/oss-security/2024/04/04/4
- https://support.apple.com/kb/HT214119
- http://seclists.org/fulldisclosure/2024/Jul/18
- https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/
- https://security.netapp.com/advisory/ntap-20240415-0013/
- https://www.kb.cert.org/vuls/id/421644
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/
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