ReadRLEImage in coders/rle.c in GraphicsMagick 1.3.26 mishandles RLE headers that specify too few colors, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.
https://www.debian.org/security/2018/dsa-4321
https://lists.debian.org/debian-lts-announce/2018/06/msg00009.html
https://usn.ubuntu.com/4232-1/
https://sourceforge.net/p/graphicsmagick/bugs/458/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WHIKB4TP6KBJWT2UIPWL5MWMG5QXKGEJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PF62B5PJA2JDUOCKJGUQO3SPL74BEYSV/
http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset%3Bnode=5381c71724e3
Source: Mitre, NVD
Published: 2017-09-25
Updated: 2025-04-20
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS: 0.01424