{"cve":"CVE-2006-4812","nvd":{"published":"2006-10-10T04:06:00.000","modified":"2026-06-16T22:29:50.570","status":"Modified","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).","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-94"],"references":["http://cvs.php.net/viewvc.cgi/ZendEngine2/zend_alloc.c?r1=1.161&r2=1.162","http://lists.suse.com/archive/suse-security-announce/2006-Oct/0002.html","http://rhn.redhat.com/errata/RHSA-2006-0688.html","http://rhn.redhat.com/errata/RHSA-2006-0708.html","http://secunia.com/advisories/22280"],"products":["php:php"],"source":"nvd","synced_at":"2026-10-19T19:43:14.363260067+00:00"},"epss":{"cve":"CVE-2006-4812","score":0.20376,"percentile":0.97489,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}