What’s Vulnerable › Vulnerabilities

CVE-2026-109276: ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Temporary File Leak in JNG Decoder

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-18
• Weakness: CWE-459

Description

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.

Affected products

• ImageMagick: from 7.0.0-0 before 7.1.2-32; before 6.9.13-57 — fixed in 6.9.13-57, 7.1.2-32

How to fix

Upgrade to a fixed version: ImageMagick 6.9.13-57, 7.1.2-32. Check the vendor advisory for mitigations.

References

• https://github.com/ImageMagick/ImageMagick/commit/b2d579d20cc503185b6e8b0bc2dfb520b7bce58a
• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-f983-243h-9x4r
• 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-decoder

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