CVE-2010-4697: PHP

Medium severity, CVSS 6.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow context-dependent attackers to cause a denial of service (heap memory corruption) or have unspecified other impact via vectors related to use of __set, __get, __isset, and __unset methods on objects accessed by a reference.

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 2011-01-18. Last modified 2026-06-16.