CVE-2004-0263: Apache HTTP Server

Medium severity, CVSS 5.0. EPSS: 3.9% chance of exploitation in the next 30 days.

PHP 4.3.4 and earlier in Apache 1.x and 2.x (mod_php) can leak global variables between virtual hosts that are handled by the same Apache child process but have different settings, which could allow remote attackers to obtain sensitive information.

Affected products

• Apache HTTP Server: version 1.0 only; version 1.0.2 only; version 1.0.3 only; version 1.0.5 only; version 1.1 only; version 1.1.1 only; …
• IBM HTTP Server: version 1.3.19 only

Published 2004-11-23. Last modified 2026-06-16.