CVE-2026-46523 PUBLISHED

ImageMagick: Use-After-Free in MSL decoder.

Assigner: GitHub_M
Reserved: 14.05.2026 Published: 10.06.2026 Updated: 11.06.2026

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2.23 and 6.9.13-48, a crafted MSL image can trigger a heap-use-after-free. Versions 7.1.2.23 and 6.9.13-48 fix the issue.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 6.2

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	ImageMagick
Product	ImageMagick
Versions	Version < 7.1.2-23 is affected Version < 6.9.13-48 is affected

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5r4x-w6p5-222q

Problem Types

CWE-416: Use After Free CWE