Vulnerability Description
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Imagemagick | Imagemagick | < 7.1.2-19 |
Related Weaknesses (CWE)
References
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19Release Notes
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8Vendor Advisory
- https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0Release Notes
FAQ
What is CVE-2026-40183?
CVE-2026-40183 is a vulnerability with a CVSS score of 5.5 (MEDIUM). ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the ima...
How severe is CVE-2026-40183?
CVE-2026-40183 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-40183?
Check the references section above for vendor advisories and patch information. Affected products include: Imagemagick Imagemagick.