CVE-2005-2970: Apache HTTP Server

Medium severity, CVSS 5.0. EPSS: 14.2% chance of exploitation in the next 30 days.

Memory leak in the worker MPM (worker.c) for Apache 2, in certain circumstances, allows remote attackers to cause a denial of service (memory consumption) via aborted connections, which prevents the memory for the transaction pool from being reused for other connections.

Affected products

• Apache HTTP Server: from 2.0.36, before 2.0.55 (fixed in 2.0.55)
• Canonical Ubuntu Linux: version 4.10 only; version 5.04 only; version 5.10 only
• Fedoraproject Fedora Core: version 4 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 2005-10-25. Last modified 2026-06-16.