CVE-2026-56366

ImageMagick - Memory Leak in META Reader APP1JPEG Error Path

State: Published
Severity: 4.8 Medium
Published: Jul 10, 2026
Updated: Oct 29, 2026
Reserved: Jun 21, 2026

Description

ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 7.1.2-18Affected 7.1.2-18Not affected
ImageMagickImageMagick	before 6.9.13-43Affected 6.9.13-43Not affected

References

GitHub Security Advisory (GHSA-9r56-3gjq-hqf7)vendor-advisory
VulnCheck Advisory: ImageMagick - Memory Leak in META Reader APP1JPEG Error Paththird-party-advisory

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