What is CVE-2021-40211?

CVE-2021-40211 is a high-severity vulnerability in Imagemagick, classified under Divide By Zero. CVSS score: 7.5/10. Published 2023-08-22.

How severe is CVE-2021-40211?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Imagemagick

CVE-2021-40211

An issue was discovered with ImageMagick 7.1.0-4 via Division by zero in function ReadEnhMetaFile of coders/emf.c.

Published 2023-08-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (59.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Imagemagick — versions 7.1.0-4

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

github.com/ImageMagick/ImageMagick/issues/4097 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-40211?: CVE-2021-40211 is a high-severity vulnerability in Imagemagick, classified under Divide By Zero. CVSS score: 7.5/10. Published 2023-08-22.
How severe is CVE-2021-40211?: High severity. CVSS v3 base score is 7.5 out of 10.