Description
In GraphicsMagick 1.4 snapshot-20190322 Q8, there is a heap-based buffer over-read in the ReadMNGImage function of coders/png.c, which allows attackers to cause a denial of service or information disclosure via an image colormap.
References (10)
Core 10
Core References
Third Party Advisory x_refsource_misc
https://sourceforge.net/p/graphicsmagick/bugs/596/
Vendor Advisory x_refsource_misc
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/40fc71472b98
Release Notes, Vendor Advisory x_refsource_misc
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/86a9295e7c83
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/04/msg00015.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00093.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00107.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00006.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00010.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4207-1/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4640
Scores
CVSS v3
8.1
EPSS
0.0211
EPSS Percentile
84.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (8)
canonical/ubuntu_linux
18.04
debian/debian_linux
8.0
debian/debian_linux
9.0
debian/debian_linux
10.0
graphicsmagick/graphicsmagick
< 1.3.31
opensuse/backports_sle
15.0
opensuse/leap
15.0
opensuse/leap
42.3
Published
Apr 08, 2019
Tracked Since
Feb 18, 2026