CVE-2021-40145

HIGH

Libgd < 2.3.2 - Double Free

Title source: rule

Description

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.

References (3)

[Patch, Third Party Advisory] https://github.com/libgd/libgd/commit/c5fd25ce0e48fd5618a972ca9f5e28d6d62006af

View Patch ZIP pw:eip

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/libgd/libgd/issues/700

[Issue Tracking, Third Party Advisory] https://github.com/libgd/libgd/pull/713

Scores

CVSS v3 7.5

EPSS 0.0054

EPSS Percentile 67.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-415

Status published

Affected Products (1)

libgd/libgd < 2.3.2

Timeline

Published Aug 26, 2021

Tracked Since Feb 18, 2026