Vulnerability Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exists in the DJVU image format handler. The vulnerability occurs due to integer truncation when calculating the stride (row size) for pixel buffer allocation. The stride calculation overflows a 32-bit signed integer, resulting in an out-of-bounds memory reads. Versions 7.1.2-15 and 6.9.13-40 contain a patch.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Imagemagick | Imagemagick | < 6.9.13-40 |
| Dlemstra | Magick.Net | < 14.10.3 |
Related Weaknesses (CWE)
References
- https://github.com/ImageMagick/ImageMagick/commit/e87695b3227978ad70b967b8d054baPatch
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r99p-5442-q2Vendor Advisory
- https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3ProductRelease Notes
FAQ
What is CVE-2026-27799?
CVE-2026-27799 is a vulnerability with a CVSS score of 4.0 (MEDIUM). ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exists in the DJVU image ...
How severe is CVE-2026-27799?
CVE-2026-27799 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27799?
Check the references section above for vendor advisories and patch information. Affected products include: Imagemagick Imagemagick, Dlemstra Magick.Net.