CVE-2026-56368

ImageMagick - Memory Leak in Raw Pixel Data Coders

State: Published
Severity: 6.3 Medium
Published: Jun 24, 2026
Updated: Oct 29, 2026
Reserved: Jun 21, 2026

Description

ImageMagick before 7.1.2-15 contains a memory leak vulnerability in multiple coders that write raw pixel data where allocated objects are not properly freed. Attackers can trigger this leak by processing specially crafted images, causing memory exhaustion and 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 to before 7.1.2-15Affected 7.1.2-15Not affected
ImageMagickImageMagick	before 6.9.13-40Affected 6.9.13-40Not affected

References

GitHub Security Advisory (GHSA-wfx3-6g53-9fgc)vendor-advisory
VulnCheck Advisory: ImageMagick - Memory Leak in Raw Pixel Data Codersthird-party-advisory

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