A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration. Users are recommended to upgrade to version 2.4.67, which fixes this issue.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.3 · apacheNVD modified 2026-10-26 19:10
Affected (CPE criteria) 1
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
References 2
- https://httpd.apache.org/security/vulnerabilities_24.html Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/04/22 Mailing List, Third Party Advisory