CVE-2007-1717: The mail function in PHP 4.0.0 through 4.4.6 and 5.0.0 through 5.2.1 truncates e-mail messages at the first...

Security readout for executives and security teams

Older PHP mail handling can silently cut an email at the first null byte. If an application relies on email for audit logs, alerts, confirmations, or complete records, important trailing content may never arrive. Business impact depends entirely on what the application sends by email. Exposure is limited to systems still running the affected PHP branches and applications that pass email bodies through mail(). Risk is higher where message content includes user-controlled, binary, or externally parsed data. Treat as a legacy exposure issue. It is unlikely to be broadly urgent unless affected PHP remains in production or email is part of security monitoring, compliance records, or business-critical workflow evidence. Mitigation focus: Inventory PHP versions on all legacy web and application hosts.; Upgrade affected PHP 4.x and 5.x installations using vendor or distribution guidance.; Prioritize systems that send security alerts, audit logs, or workflow approvals by email..

Prepared

Jun 29, 2026, 06:37 UTC (UTC+00:00)

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