CVE-2008-3659: Buffer overflow in the memnstr function in PHP 4.4.x before 4.4.9 and PHP 5.6 through 5.2.6 allows context-...

Security readout for executives and security teams

This is an old PHP memory-safety flaw in string handling used by explode(). If an attacker can control the delimiter argument, PHP may crash and possibly run unintended code. The source notes the practical scope is limited because attacker-controlled delimiters are uncommon, but local safe_mode bypass scenarios were considered feasible. Exposure is most likely in legacy systems still running affected PHP packages, especially old Linux, Apple, HP-UX, Mandriva, SUSE, Gentoo, or rPath builds referenced by advisories. Internet exposure requires application code that lets an attacker influence explode() delimiters. Treat this as a legacy-platform cleanup issue unless affected PHP is still in production. Urgency rises for shared hosting, untrusted local users, or internet-facing applications that expose delimiter control. No active exploitation evidence is provided in the bundle. Mitigation focus: Upgrade affected PHP 4.4.x systems to 4.4.9 or later vendor-fixed packages.; For PHP 5, follow the relevant vendor advisory for the corrected package level.; Retire unsupported PHP branches where practical..

Prepared

Jun 28, 2026, 18:33 UTC (UTC+00:00)

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