CVE-2007-4255: PHP

High severity, CVSS 7.5. EPSS: 9.3% chance of exploitation in the next 30 days.

Buffer overflow in the mSQL extension in PHP 5.2.3 allows context-dependent attackers to execute arbitrary code via a long first argument to the msql_connect function.

Affected products

• PHP PHP: version 5.2.3 only

Published 2007-08-08. Last modified 2026-06-16.