vulnerability

Alma Linux: CVE-2019-6977: Moderate: gd security update (ALSA-2020-4659)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jan 27, 2019
Added
May 4, 2022
Modified
Aug 11, 2025

Description

gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.

Solutions

alma-upgrade-gdalma-upgrade-gd-devel
Title
NEW

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