What’s Vulnerable › Vulnerabilities

CVE-2018-20185

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-17 · updated 2026-06-17
• Weakness: CWE-125

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.

Affected products

• Canonical Ubuntu Linux: 18.04
• Debian Linux: 8.0, 9.0, 10.0
• GraphicsMagick: 1.4-2018-12-09

References

• http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e3977a293
• http://www.securityfocus.com/bid/106229
• https://lists.debian.org/debian-lts-announce/2018/12/msg00018.html
• https://sourceforge.net/p/graphicsmagick/bugs/582/
• https://usn.ubuntu.com/4207-1/
• https://www.debian.org/security/2020/dsa-4640
• http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e3977a293
• http://www.securityfocus.com/bid/106229
• https://lists.debian.org/debian-lts-announce/2018/12/msg00018.html
• https://sourceforge.net/p/graphicsmagick/bugs/582/
• https://usn.ubuntu.com/4207-1/
• https://www.debian.org/security/2020/dsa-4640

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