CVE-2026-46523
Received Received - Intake
Heap Use After Free in ImageMagick

Publication date: 2026-06-10

Last updated on: 2026-06-10

Assigner: GitHub, Inc.

Description
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.
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Meta Information
Published
2026-06-10
Last Modified
2026-06-10
Generated
2026-06-11
AI Q&A
2026-06-11
EPSS Evaluated
N/A
NVD
CVE-2026-46523
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
imagemagick imagemagick to 6.9.13-48 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
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Executive Summary

This vulnerability exists in ImageMagick, a free and open-source software used for editing and manipulating digital images. Specifically, a crafted MSL image can trigger a heap-use-after-free condition in versions prior to 7.1.2.23 and 6.9.13-48. This means that the software may attempt to use memory after it has been freed, which can lead to undefined behavior or crashes.

Impact Analysis

The impact of this vulnerability is primarily on the availability of the system using ImageMagick. According to the CVSS score, it has a base score of 6.2 with an impact on availability (A:H), meaning it can cause a denial of service by crashing or destabilizing the application. There is no direct impact on confidentiality or integrity.

Mitigation Strategies

To mitigate this vulnerability, you should update ImageMagick to version 7.1.2.23 or later, or 6.9.13-48 or later, as these versions contain the fix for the heap-use-after-free issue triggered by crafted MSL images.

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