CVE-2010-3436: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 6.3% chance of exploitation in the next 30 days.

fopen_wrappers.c in PHP 5.3.x through 5.3.3 might allow remote attackers to bypass open_basedir restrictions via vectors related to the length of a filename.

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 8.04 only; version 9.10 only; version 10.04 only; version 10.10 only
• PHP PHP: from 5.2.0, before 5.2.15 (fixed in 5.2.15); from 5.3.0, before 5.3.4 (fixed in 5.3.4)

Published 2010-11-09. Last modified 2026-06-16.