CVE-2007-1824: Buffer overflow in the php_stream_filter_create function in PHP 5 before 5.2.1 allows remote attackers to c...

Security readout for executives and security teams

CVE-2007-1824 is an old PHP 5 flaw that can let a remote attacker crash an application by abusing a malformed php://filter URL. The public sources describe denial of service, not confirmed data theft or code execution. Business urgency depends mainly on whether any internet-facing systems still run PHP 5 before 5.2.1. Exposure is most likely in legacy PHP 5 environments, especially systems frozen on PHP before 5.2.1 or old distribution packages. Modern supported PHP versions should not be affected based on the provided description, but unsupported servers, embedded appliances, and abandoned applications should be checked. Treat this as a legacy exposure cleanup item unless affected PHP 5 systems are internet-facing or business-critical. If obsolete PHP is found, prioritize remediation because unsupported runtimes often carry many additional unresolved risks beyond this specific crash flaw. Mitigation focus: Upgrade PHP 5 before 5.2.1 to a fixed or supported vendor package.; Apply relevant Debian, Ubuntu, or SUSE security updates where those distributions are used.; Retire unsupported PHP 5 systems where upgrade paths are unavailable..

Prepared

Jun 29, 2026, 06:24 UTC (UTC+00:00)

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