CVE-2021-40145: Libgd

High severity, CVSS 7.5. EPSS: 2.1% chance of exploitation in the next 30 days.

gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and testing purposes.

Affected products

• Libgd Libgd: up to and including 2.3.2

Published 2021-08-26. Last modified 2026-06-17.