Improper Input Validation Affecting graphicsmagick package, versions <1.4~hg15873-1
Threat Intelligence
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- published22 Aug 2026
- disclosed17 Dec 2018
Introduced: 17 Dec 2018
CVE-2018-20189 (opens in a new tab)How to fix?
Upgrade Echo:latest graphicsmagick to version 1.4~hg15873-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream graphicsmagick package and not the graphicsmagick package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
In GraphicsMagick 1.3.31, the ReadDIBImage function of coders/dib.c has a vulnerability allowing a crash and denial of service via a dib file that is crafted to appear with direct pixel values and also colormapping (which is not available beyond 8-bits/sample), and therefore lacks indexes initialization.
References
- https://advisory.echohq.com/cve/CVE-2018-20189
- http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589
- http://www.securityfocus.com/bid/106227
- https://lists.debian.org/debian-lts-announce/2018/12/msg00018.html
- https://sourceforge.net/p/graphicsmagick/bugs/585/
- https://usn.ubuntu.com/4207-1/
- https://www.debian.org/security/2020/dsa-4640