CVE-2026-116151

ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Memory Leak in JNG Encoder

State: Published
Severity: 6.3 Medium
Published: Oct 25, 2026
Updated: Oct 26, 2026
Reserved: Oct 25, 2026

Description

ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 contains a memory leak in the JNG encoder that fails to release allocated memory when processing a crafted image. Attackers can supply crafted images that are encoded to JNG to leak memory, potentially causing resource exhaustion and a limited denial of service.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L	VulnCheck

Weaknesses

CWE-401 Missing Release of Memory after Effective Lifetime

Affected Products

Product	Versions
ImageMagickImageMagick	7.0.0-0 to before 7.1.2-33Affected 7.1.2-33Not affected
ImageMagickImageMagick	before 6.9.13-58Affected 6.9.13-58Not affected

References

GitHub Security Advisory (GHSA-v9q4-cm37-q2jm)vendor-advisory
VulnCheck Advisory: ImageMagick before 6.9.13-58 and 7.x before 7.1.2-33 Memory Leak in JNG Encoderthird-party-advisory

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