CVE-2006-4812

CriticalCVSS 10.0/10Last modified Jun 16, 2026

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).

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-94

Affected software

No affected versions have been published.

Timeline

Published
Oct 10, 2006
Last modified
Jun 16, 2026
NVD status
Modified

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