What is CVE-2018-11624?

CVE-2018-11624 is a high-severity vulnerability in Imagemagick, classified under Use After Free. CVSS score: 8.8/10. Published 2018-05-31.

How severe is CVE-2018-11624?

High severity. CVSS v3 base score is 8.8 out of 10.

Use After Free in Imagemagick

CVE-2018-11624

In ImageMagick 7.0.7-36 Q16, the ReadMATImage function in coders/mat.c allows attackers to cause a use after free via a crafted file.

Vulnerability class: Use-After-Free

Published 2018-05-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.9th percentile), scored 2026-09-28.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.000

Affected products

Imagemagick — versions 7.0.7-36

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/ImageMagick/ImageMagick/issues/1149 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-11624?: CVE-2018-11624 is a high-severity vulnerability in Imagemagick, classified under Use After Free. CVSS score: 8.8/10. Published 2018-05-31.
How severe is CVE-2018-11624?: High severity. CVSS v3 base score is 8.8 out of 10.