Security Advisory

CVE-2009-4418

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2009-12-24 17:00:00

Last updated 2024-09-17 02:36:19

Assigner mitre

State PUBLISHED

Description

The unserialize function in PHP 5.3.0 and earlier allows context-dependent attackers to cause a denial of service (resource consumption) via a deeply nested serialized variable, as demonstrated by a string beginning with a:1: followed by many {a:1: sequences.

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