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CVE-2006-4812

CRITICAL CVSS: 10.0 Published: 2006-10-10 Modified: 2026-06-16

Description

Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).

Affected Platforms

Php Php

Weakness Type

CWE-94

References