What is CVE-2026-33901?

CVE-2026-33901 is a high-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-04-13.

How severe is CVE-2026-33901?

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

Buffer overflow in Imagemagick

CVE-2026-33901

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.2th percentile) — read the EPSS interpretation.

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.

Affected products

Imagemagick — versions < 7.1.2-19, < 6.9.13-44

Weakness classification (CWE)

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-x9h5-r9v2-vcww (x_refsource_CONFIRM)
https://github.com/ImageMagick/ImageMagick/commit/4c72003e9e54a4ebaa938d239e75f5d285527ebe (x_refsource_MISC)
https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33901?: CVE-2026-33901 is a high-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-04-13.
How severe is CVE-2026-33901?: High severity. CVSS v3 base score is 7.5 out of 10.