Description
In GraphicsMagick 1.4 snapshot-20171217 Q8, there is a heap-based buffer over-read in ReadMNGImage in coders/png.c, related to accessing one byte before testing whether a limit has been reached.
References (6)
Core 6
Core References
Issue Tracking, Vendor Advisory x_refsource_confirm
https://sourceforge.net/p/graphicsmagick/bugs/535/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4321
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/06/msg00009.html
Patch, Vendor Advisory x_refsource_confirm
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/1721f1b7e67a
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/01/msg00005.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4266-1/
Scores
CVSS v3
8.8
EPSS
0.0069
EPSS Percentile
72.0%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-125
Status
published
Products (4)
debian/debian_linux
7.0
debian/debian_linux
8.0
debian/debian_linux
9.0
graphicsmagick/graphicsmagick
1.3.27
Published
Dec 27, 2017
Tracked Since
Feb 18, 2026