CVE-2010-4697: Use-after-free vulnerability in the Zend engine in PHP before 5.2.15 and 5.3.x before 5.3.4 might allow con...

Security readout for executives and security teams

CVE-2010-4697 is a memory-safety flaw in the PHP Zend engine. Older PHP versions can corrupt heap memory when certain object magic methods are used through references. The documented outcome is denial of service, with unspecified other impact possible. Exposure is limited to systems running legacy PHP before 5.2.15 or PHP 5.3.x before 5.3.4, including products that embedded those runtimes. The provided bundle does not identify specific affected vendors or deployments. This is mainly a legacy-platform risk. It should not distract from urgent actively exploited issues, but any remaining PHP 5.2 or 5.3 estate deserves planned retirement because the runtime is far beyond support. Mitigation focus: Upgrade PHP to 5.2.15, 5.3.4, or a supported maintained release.; Check vendor advisories for embedded PHP in appliances or packaged applications.; Prioritize replacement of any remaining PHP 5.2 or 5.3 runtime..

Prepared

Jun 27, 2026, 18:32 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.