CVE-2018-20185: canonical ubuntu_linux Out-of-bounds Read
Vulnerability summary
CVE-2018-20185 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in canonical ubuntu_linux. EPSS estimates a 2.11% chance of exploitation in the next 30 days, higher than 81.4% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 17-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In GraphicsMagick 1.4 snapshot-20181209 Q8 on 32-bit platforms, there is a heap-based buffer over-read in the ReadBMPImage function of bmp.c, which allows attackers to cause a denial of service via a crafted bmp image file. This only affects GraphicsMagick installations with customized BMP limits.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.11%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.11% 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~hg15880-1
- debian_linuxEOL8.0 | 9.0 | 10.0
Canonical1 product
- ubuntu_linuxEOL18.04
Graphicsmagick1 product
- graphicsmagick1.4:2018-12-09
Ubuntu1 product
- graphicsmagickAll versions (No fix recorded) | < 1.3.28-2ubuntu0.1
4 vendors · 5 products
References
10 links
lists.debian.org/debian-lts-announce/2018/12/msg00018.htmlMailing ListX Refsource MLISTThird Party Advisory