CVE-2011-0755: PHP

Medium severity, CVSS 5.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Integer overflow in the mt_rand function in PHP before 5.3.4 might make it easier for context-dependent attackers to predict the return values by leveraging a script's use of a large max parameter, as demonstrated by a value that exceeds mt_getrandmax.

Affected products

• PHP PHP: up to and including 5.3.3; version 1.0 only; version 2.0 only; version 2.0b10 only; version 3.0 only; version 3.0.1 only; …

Published 2011-02-02. Last modified 2026-06-16.