CVE-2026-61866

ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion.

CVSS v3 2.9 LOW

2.9^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.4 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-99w9-hv66-rfv7	Vendor Advisory
https://www.vulncheck.com/advisories/imagemagick-before-26-memory-leak-in-jng-encoder	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*

History

16 Jul 2026, 03:01

Type	Values Removed	Values Added
CPE		cpe:2.3:a:imagemagick:imagemagick::::::::
First Time		Imagemagick Imagemagick imagemagick
References	~~() https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-99w9-hv66-rfv7 -~~	() https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-99w9-hv66-rfv7 - Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/imagemagick-before-26-memory-leak-in-jng-encoder -~~	() https://www.vulncheck.com/advisories/imagemagick-before-26-memory-leak-in-jng-encoder - Third Party Advisory

15 Jul 2026, 12:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-15 12:18

Updated : 2026-07-16 03:01

NVD link : CVE-2026-61866

Mitre link : CVE-2026-61866

CVE.ORG link : CVE-2026-61866

JSON object : View

Products Affected

imagemagick

imagemagick

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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