CVE-2014-2020: ext/gd/gd.c in PHP 5.5.x before 5.5.9 does not check data types, which might allow remote attackers to obta...

Security readout for executives and security teams

This is an old PHP GD library issue where PHP 5.5 before 5.5.9 mishandled unexpected data types in image processing. Sources say a remote attacker might obtain sensitive information if an application passes attacker-controlled string or array values where numbers are expected. Exposure is most likely in legacy systems running PHP 5.5.x before 5.5.9, especially applications using GD image functions with attacker-controlled parameters. The bundle does not identify additional affected products beyond PHP and Ubuntu-packaged updates. Treat this as a legacy platform hygiene issue with possible information disclosure. Prioritize remediation where old PHP 5.5 systems remain internet-facing or process untrusted images. Urgency is lower than known-exploited issues, but unsupported PHP materially increases operational risk. Mitigation focus: Upgrade PHP 5.5.x installations to 5.5.9 or a vendor-supported patched release.; Apply relevant distribution security updates, including Ubuntu guidance where applicable.; Review vendor advisories before choosing fixes for packaged or backported PHP builds..

Prepared

Jun 14, 2026, 14:50 UTC (UTC+00:00)

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