Description
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.
Metrics
CVSS 3.1 5.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache HTTP Server | >= 2.4.0, <= 2.4.66 |
References
- https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/04/22Mailing List, Third Party Advisory
Timeline
- Published
- May 4, 2026
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed