Buffer overflow in Imagemagick
CVE-2026-33899
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-189 and 6.9.13-44, when `Magick` parses an XML file it is possible that a single zero byte is written out of the bounds…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (5.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Imagemagick — versions < 6.9.13-44, < 7.1.2-19
Weakness classification (CWE)
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-cr67-pvmx-2pp2 (x_refsource_CONFIRM)
- https://github.com/ImageMagick/ImageMagick/commit/ae679e2fd19ec656bfab9f822ae4cf06bf91604d (x_refsource_MISC)
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19 (x_refsource_MISC)
- https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-33899?
- CVE-2026-33899 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 5.3/10. Published 2026-04-13.
- How severe is CVE-2026-33899?
- Medium severity. CVSS v3 base score is 5.3 out of 10.