CVE-2026-46521

Name: CVE-2026-46521
Creator: NVD / NIST
Published: 2026-06-10T23:16:46.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2026-46521 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Imagemagick	Imagemagick	< 6.9.13-48
Imagemagick	Imagemagick	>= 7.0.0-0, < 7.1.2-23

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jcqp-6r6f-3mfxVendor Advisory

Timeline

Published: Jun 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-46521?

How severe is CVE-2026-46521?

CVE-2026-46521 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2026-46521?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-46521?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST