CVE-2007-3847: Apache HTTP Server

Medium severity, CVSS 5.0. EPSS: 12.9% chance of exploitation in the next 30 days.

The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.

Affected products

• Apache HTTP Server: from 2.0.35, before 2.0.61 (fixed in 2.0.61); from 2.2.0, before 2.2.6 (fixed in 2.2.6)
• Canonical Ubuntu Linux: version 6.06 only; version 6.10 only; version 7.04 only; version 7.10 only
• Fedoraproject Fedora: version 7 only
• Fedoraproject Fedora Core: version 6 only

Published 2007-08-23. Last modified 2026-06-16.