Bug 2544814 (CVE-2026-73637) - CVE-2026-73637 httpd: httpd: Authentication state corruption via concurrent Digest authentication requests
Summary: CVE-2026-73637 httpd: httpd: Authentication state corruption via concurrent D...
Keywords:
Status: NEW
Alias: CVE-2026-73637
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-01 23:03 UTC by OSIDB Bzimport
Modified: 2026-10-01 23:15 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-10-01 23:03:07 UTC 
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.
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