CVE-2026-57941
Public on 2026-10-01
Modified on 2026-10-15
Description
Use After Free vulnerability in Apache HTTP Server's mod_http2 via shared session->bbtmp re-entrancy
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | httpd | 2026-10-12 | ALAS2-2026-3990 | Fixed |
| Amazon Linux 2023 | httpd | 2026-10-12 | ALAS2023-2026-3202 | Fixed |
| Amazon Linux 2027 Preview | httpd | 2026-10-12 | ALAS2027-2026-207 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.6 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |