CVE-2012-3450: pdo_sql_parser.re in the PDO extension in PHP before 5.3.14 and 5.4.x before 5.4.4 does not properly determ...

Security readout for executives and security teams

This flaw can let a remote user crash PHP applications that use vulnerable PDO prepared-statement parsing. The impact described is denial of service, not data theft or code execution. Business risk is mainly availability for legacy PHP 5.3 and 5.4 deployments that still expose affected application paths. Exposure is likely limited to applications running old PHP versions before 5.3.14 or PHP 5.4 before 5.4.4, especially where PDO prepared statements process attacker-controlled input. Modern supported PHP versions should not be affected based on the provided sources. Prioritize remediation where legacy PHP is still internet-facing or supports critical workflows. The issue is availability-focused, but unsupported PHP versions create broader operational risk beyond this single CVE. Mitigation focus: Upgrade PHP to 5.3.14, 5.4.4, or a supported later release.; Apply vendor security updates from the relevant Linux distribution.; Retire unsupported PHP 5.3 and 5.4 runtimes where possible..

Prepared

Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.