What is CVE-2018-18024?

CVE-2018-18024 is a medium-severity vulnerability in Imagemagick, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-10-07.

How severe is CVE-2018-18024?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Imagemagick

CVE-2018-18024

In ImageMagick 7.0.8-13 Q16, there is an infinite loop in the ReadBMPImage function of the coders/bmp.c file. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.

Published 2018-10-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.030 (87.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: +0.000

Affected products

Imagemagick — versions 7.0.8-13

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/ImageMagick/ImageMagick/issues/1337 (Exploit, Patch, Third Party Advisory, Issue Tracking)
usn.ubuntu.com/4034-1/ (vendor-advisory)
lists.debian.org/debian-lts-announce/2020/08/msg00030.html (mailing-list)

Frequently asked questions

What is CVE-2018-18024?: CVE-2018-18024 is a medium-severity vulnerability in Imagemagick, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-10-07.
How severe is CVE-2018-18024?: Medium severity. CVSS v3 base score is 6.5 out of 10.