CVE-2005-1268: Apache HTTP Server

Medium severity, CVSS 5.0. EPSS: 8.4% chance of exploitation in the next 30 days.

Off-by-one error in the mod_ssl Certificate Revocation List (CRL) verification callback in Apache, when configured to use a CRL, allows remote attackers to cause a denial of service (child process crash) via a CRL that causes a buffer overflow of one null byte.

Affected products

• Apache HTTP Server: from 2.0.35, up to and including 2.0.54
• Debian Debian Linux: version 3.1 only
• Red Hat Enterprise Linux Desktop: version 3.0 only; version 4.0 only
• Red Hat Enterprise Linux Server: version 3.0 only; version 4.0 only
• Red Hat Enterprise Linux Workstation: version 3.0 only; version 4.0 only

Published 2005-08-05. Last modified 2026-06-16.