CVE-2016-1903: The gdImageRotateInterpolated function in ext/gd/libgd/gd_interpolation.c in PHP before 5.5.31, 5.6.x befor...

Security readout for executives and security teams

CVE-2016-1903 is a PHP image-processing flaw. If an application lets an attacker influence calls to imagerotate, a large background color value can make PHP read outside expected memory or crash. Business impact is primarily service disruption, with possible sensitive information exposure in affected PHP versions. Exposure is most likely in legacy PHP applications using the GD extension where untrusted users can submit or influence image rotation parameters. Current PHP deployments are unlikely to be affected if patched beyond the named fixed versions or maintained through vendor security packages. Treat this as a legacy-platform hygiene issue with real availability impact. Prioritize remediation where old PHP versions process user-supplied images, especially on public-facing systems. It is not justified as an emergency solely from the provided sources because active exploitation is not evidenced. Mitigation focus: Upgrade PHP beyond 5.5.31, 5.6.17, or 7.0.2 as applicable.; Apply relevant distribution security updates from Ubuntu, SUSE, Red Hat, or Slackware.; Check vendor advisories for backported package versions in supported distributions..

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.