CVE-2006-1990: Integer overflow in the wordwrap function in string.c in PHP 4.4.2 and 5.1.2 might allow context-dependent...

Security readout for executives and security teams

This is an old PHP memory-corruption vulnerability in the wordwrap function. In PHP 4.4.2 and 5.1.2, very long arguments could cause undersized memory allocation and a heap buffer overflow. The source says arbitrary code execution might be possible, but exploitation depends on application context. Likely exposure is legacy systems running PHP 4.4.2 or 5.1.2, including vendor-packaged PHP builds noted by distribution advisories. Current systems should mainly treat this as an unsupported-runtime discovery issue. Treat this as high priority if legacy PHP is present. For modern environments, the main risk is hidden old PHP in abandoned applications or appliances, not a new widespread emergency. Mitigation focus: Inventory PHP versions across servers, appliances, containers, and embedded vendor products.; Apply relevant vendor PHP security updates or migrate from unsupported PHP versions.; Check operating-system advisories for packaged PHP fixes before assuming upstream version numbers..

Prepared

Jun 29, 2026, 13:09 UTC (UTC+00:00)

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