CVE-2016-1904: Multiple integer overflows in ext/standard/exec.c in PHP 7.x before 7.0.2 allow remote attackers to cause a...

Security readout for executives and security teams

CVE-2016-1904 affects early PHP 7 releases before 7.0.2. A specially long input reaching PHP shell-escaping functions could crash the process and may have other unspecified impact. The sources do not provide CVSS scoring or evidence of active exploitation. Exposure is most likely where PHP 7.x before 7.0.2 is deployed and application code passes attacker-controlled long strings into php_escape_shell_cmd or php_escape_shell_arg. Treat this as a targeted remediation item for legacy PHP 7.0 systems. It is not listed as known exploited, but internet-facing exposure with vulnerable PHP should be upgraded because the issue can cause service disruption. Mitigation focus: Upgrade affected PHP 7.x deployments to PHP 7.0.2 or later.; Prioritize internet-facing applications using PHP shell-escaping helpers.; Review vendor changelog and linked commit for fixed-release confirmation..

Prepared

Jun 13, 2026, 21:26 UTC (UTC+00:00)

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