What is CVE-2026-23874?

CVE-2026-23874 is a medium-severity vulnerability in Imagemagick, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2026-01-20.

How severe is CVE-2026-23874?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Imagemagick

CVE-2026-23874

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions prior to 7.1.2-13 have a stack overflow via infinite recursion in MSL (Magick Scripting Language) `<write>` command when writing to MSL format. Version 7.1.2-13 fixes the issue.

Published 2026-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Imagemagick — versions < 7.1.2-13

Weakness classification (CWE)

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

References

github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9vj4-wc7r-p844 (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-23874?: CVE-2026-23874 is a medium-severity vulnerability in Imagemagick, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.5/10. Published 2026-01-20.
How severe is CVE-2026-23874?: Medium severity. CVSS v3 base score is 5.5 out of 10.