VULNERABILITY INTELLIGENCE
CVE-2006-4812
CVSS score10 HIGH
EPSS probability20.38%
CISA KEVNot currently listed
Published2006-10-10
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:C/I:C/A:C
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).
Weakness classification
- CWE-94: Improper Control of Generation of Code ('Code Injection')