CVE-2024-27316
Public on 2024-04-04
Modified on 2024-04-05
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.
Severity
Important
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | httpd | No Fix Planned | ||
| Amazon Linux 1 | httpd24 | 2024-04-25 | ALAS-2024-1931 | Fixed |
| Amazon Linux 2 - Core | mod_http2 | 2024-04-24 | ALAS2-2024-2524 | Fixed |
| Amazon Linux 2023 | mod_http2 | 2024-04-25 | ALAS2023-2024-595 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |