CVE-2018-20189: debian debian_linux Improper Input Validation
Vulnerability summary
CVE-2018-20189 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.28% chance of exploitation in the next 30 days, higher than 82.8% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 17-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.28%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.28% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (sourceforge.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- graphicsmagick< 1.4~hg15873-1
- debian_linuxEOL8.0
Graphicsmagick1 product
- graphicsmagick1.3.31
Ubuntu1 product
- graphicsmagick< 1.3.18-1ubuntu3.1+esm8 | < 1.3.23-1ubuntu0.6+esm2 | < 1.3.28-2ubuntu0.1
3 vendors · 4 products
References
11 links- hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589X Refsource MISCMailing ListPatchVendor AdvisoryREPORT
lists.debian.org/debian-lts-announce/2018/12/msg00018.htmlMailing ListX Refsource MLISTThird Party Advisory