CVE-2026-61870

ImageMagick before 7.1.2-26 Memory Leak via VIFF Encoder

State: Published
Severity: 2.1 Low
Published: Jul 11, 2026
Updated: Oct 29, 2026
Reserved: Jul 10, 2026

Description

ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the VIFF encoder when memory allocation fails. Attackers can trigger allocation failures by processing specially crafted VIFF images to exhaust available memory and cause denial of service.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	2.9 Low	CVSS:3.1/AV:L/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 7.1.2-26Affected 7.1.2-26Not affected
ImageMagickImageMagick	before 6.9.13-51Affected 6.9.13-51Not affected

References

GitHub Security Advisory (GHSA-m596-67p7-69wh)vendor-advisory
VulnCheck Advisory: ImageMagick before 7.1.2-26 Memory Leak via VIFF Encoderthird-party-advisory

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