CVE-2024-27316

Summary

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.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• http://seclists.org/fulldisclosure/2024/Jul/18
• http://www.openwall.com/lists/oss-security/2024/04/04/4
• https://httpd.apache.org/security/vulnerabilities_24.html
• https://support.apple.com/kb/HT214119
• https://www.openwall.com/lists/oss-security/2024/04/03/16