CVE-2016-10166: Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD Graphics Library (a...

Security readout for executives and security teams

CVE-2016-10166 affects the GD Graphics Library before 2.2.4. A calculation bug in image interpolation can underflow an integer while handling crafted input. The public record says remote attackers may cause unspecified impact, but it does not provide CVSS, affected distributions beyond advisories, or confirmed exploitation. Exposure is most likely where applications, services, or OS packages use vulnerable libgd/GD versions to process untrusted images. Risk is higher for internet-facing upload, thumbnailing, or image conversion paths. The source bundle does not identify exact downstream product versions beyond libgd before 2.2.4 and vendor advisories. Do not treat this as confirmed actively exploited based on the supplied evidence. Prioritize patching internet-facing image processing and shared platform images, then clear remaining vulnerable packages through normal vulnerability management. The main business risk is hidden exposure through embedded image libraries. Mitigation focus: Upgrade libgd to 2.2.4 or a vendor-supported fixed package.; Apply relevant Debian or Red Hat security advisories where applicable.; Prioritize systems processing untrusted or public image uploads..

Prepared

Jun 13, 2026, 06:02 UTC (UTC+00:00)

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