CVE-2026-73637

Published Oct 1, 2026

Last updated 11 days ago

Overview

Description
Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Source
security@apache.org
NVD status
Analyzed
Products
http_server

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.3
Impact score
3.4
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Severity
HIGH

Weaknesses

security@apache.org
CWE-416

Social media

Hype score
Not currently trending

Configurations