MinorCritical vulnerability
CVE-2026-73637 (CVSS 7.3)
NVD · officialPublished Oct 1, 2026Risk 23/100
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.
Technical details
CVSS
7.3
AV:NetworkAC:LowPR:NoneUI:NoneC:LowI:LowA:Low
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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