CVE-2016-10166: Libgd

Critical severity, CVSS 9.8. EPSS: 10.7% chance of exploitation in the next 30 days.

Integer underflow in the _gdContributionsAlloc function in gd_interpolation.c in the GD Graphics Library (aka libgd) before 2.2.4 allows remote attackers to have unspecified impact via vectors related to decrementing the u variable.

Affected products

• Libgd Libgd: up to and including 2.2.3

Published 2017-03-15. Last modified 2026-06-17.