CVE-2026-109276

ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 contains an incomplete cleanup flaw in the JNG decoder that fails to remove temporary files when processing crafted input. Attackers can submit crafted JNG files for processing to repeatedly leak temporary files, consuming disk space and degrading availability.

Score

CVSS 4.0 6.9 Medium

Status

Awaiting Analysis - disclosure@vulncheck.com

Published

2026-10-12

Last modified

2026-10-18

Weaknesses

CWE-459

Affected products

• Imagemagick (Imagemagick)

References

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-f983-243h-9x4r
• https://github.com/ImageMagick/ImageMagick/commit/b2d579d20cc503185b6e8b0bc2dfb520b7bce58a
• https://github.com/ImageMagick/ImageMagick6/commit/3875281ca0c5aa67b2bf0454725abf177c706b3b
• https://www.vulncheck.com/advisories/imagemagick-before-6.9.13-57-and-7-x-before-7.1.2-32-temporary-file-leak-in-jng-de…