Severity: low Affected versions:
- Apache HTTP Server 2.4.0 through 2.4.66 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. Credit: Pavel Kohout, Aisle Research, Aisle.com (finder) References: https://httpd.apache.org/security/vulnerabilities_24.html https://httpd.apache.org/ https://www.cve.org/CVERecord?id=CVE-2026-33007 Timeline: 2026-03-04: Report received 2026-05-04: 2.4.67 released 2026-05-04: fixed in 2.4.x by r1933358
