CVE-2011-0752: PHP

Medium severity, CVSS 5.0. EPSS: 1.3% chance of exploitation in the next 30 days.

The extract function in PHP before 5.2.15 does not prevent use of the EXTR_OVERWRITE parameter to overwrite (1) the GLOBALS superglobal array and (2) the this variable, which allows context-dependent attackers to bypass intended access restrictions by modifying data structures that were not intended to depend on external input, a related issue to CVE-2005-2691 and CVE-2006-3758.

Affected products

• PHP PHP: up to and including 5.2.14; 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.