CVE-2010-2225: Use-after-free vulnerability in the SplObjectStorage unserializer in PHP 5.2.x and 5.3.x through 5.3.2 allo...

Security readout for executives and security teams

CVE-2010-2225 is an old PHP memory-safety flaw. If a legacy PHP 5.2.x or 5.3.x through 5.3.2 system processes attacker-controlled serialized data, the attacker may be able to run code or read sensitive information. Exposure is most likely in legacy PHP applications still running affected versions and accepting serialized input from users, APIs, cookies, sessions, queues, or stored records. Modern PHP stacks are unlikely to be affected unless obsolete runtimes remain deployed. Prioritize this only where legacy PHP remains in use. The business risk is high for exposed affected systems because impact includes code execution, but urgency drops sharply if inventories confirm no obsolete PHP runtimes. Mitigation focus: Inventory PHP versions across servers, containers, and embedded vendor appliances.; Upgrade affected PHP 5.2.x or 5.3.x installations per vendor advisories.; Remove or tightly restrict unserialize() processing of untrusted data..

Prepared

Jun 28, 2026, 02:01 UTC (UTC+00:00)

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