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MEDIUM · 5.5

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 bound...

Vulnerability Description

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 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ImagemagickImagemagick< 6.9.13-48

Related Weaknesses (CWE)

CWE-131CWE-835CWE-252CWE-787

References

FAQ

What is CVE-2026-46521?

CVE-2026-46521 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 bound...

How severe is CVE-2026-46521?

CVE-2026-46521 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-46521?

Check the references section above for vendor advisories and patch information. Affected products include: Imagemagick Imagemagick.