CVE-2026-73637
Apache HTTP Server: mod_auth_digest DoS attack
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-416 |
| Vendor | apache software foundation |
| Product | apache http server |
| Published | Oct 1, 2026 |
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Affected Versions
Apache Software Foundation / Apache HTTP Server
2.4.0 ≤ 2.4.68
References
Credits
Zhen Kong Darren Carreras (DarrenC)