CVE-2026-109276

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

State: Published
Severity: 6.9 Medium
Published: Oct 12, 2026
Updated: Oct 18, 2026
Reserved: Oct 12, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	VulnCheck

Weaknesses

CWE-459 Incomplete Cleanup

Affected Products

Product	Versions
ImageMagickImageMagick	7.0.0-0 to before 7.1.2-32Affected 7.1.2-32Not affected
ImageMagickImageMagick	before 6.9.13-57Affected 6.9.13-57Not affected

References

GitHub Security Advisory (GHSA-f983-243h-9x4r)vendor-advisory
Patch Commitpatch
ImageMagick6 Patch Commitpatch
VulnCheck Advisory: ImageMagick before 6.9.13-57 and 7.x before 7.1.2-32 Temporary File Leak in JNG Decoderthird-party-advisory

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