CVE-2026-46521

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when using LZMA compression in the MIFF encoder an out of bounds write can occur due to a missing check. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jcqp-6r6f-3mfx	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:imagemagick:imagemagick::::::::
	cpe:2.3:a:imagemagick:imagemagick::::::::

History

No history.

Information

Published : 2026-06-10 23:16

Updated : 2026-07-23 09:10

NVD link : CVE-2026-46521

Mitre link : CVE-2026-46521

CVE.ORG link : CVE-2026-46521

JSON object : View

Products Affected

imagemagick

imagemagick

CWE

CWE-131

Incorrect Calculation of Buffer Size

CWE-252

Unchecked Return Value

CWE-787

Out-of-bounds Write

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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