CVE-2026-73636
Public on 2026-10-01
Modified on 2026-10-03
Description
Authentication bypass by capture-replay in mod_auth_digest in Apache Software Foundation Apache HTTP Server 2.4.x on all platforms allows a man-in-the-middle (MITM) attacker to replay captured digest authentication credentials via crafted requests that trigger garbage collection of the client's shared memory entry when AuthDigestNonceLifetime is set to 0.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
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 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |