CVE-2026-55577
Undergoing Analysis Undergoing Analysis - In Progress

Heap Buffer Overflow in ImageMagick

Publication date: 2026-07-01

Last updated on: 2026-07-01

Assigner: GitHub, Inc.

Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

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Meta Information

Published
2026-07-01
Last Modified
2026-07-01
Generated
2026-07-02
AI Q&A
2026-07-01
EPSS Evaluated
N/A
NVD
CVE-2026-55577
EUVD
EUVD-2026-41121

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
imagemagick imagemagick to 7.1.2-26 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-754 The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
CWE-755 The product does not handle or incorrectly handles an exceptional condition.
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is a heap buffer overflow in the MVG decoder of ImageMagick, a software used for editing and manipulating digital images. It occurs when processing a specially crafted image, which can cause an out of bounds write in memory.

The issue affects versions prior to 6.9.13-51 and 7.1.2-26 and has been fixed in these versions.

Impact Analysis

The vulnerability can lead to a heap buffer overflow resulting in an out of bounds write, which may cause the application to crash or behave unpredictably.

According to the CVSS score of 5.9, the impact is considered moderate, with no confidentiality or integrity loss but a high impact on availability.

Mitigation Strategies

To mitigate this vulnerability, you should update ImageMagick to version 6.9.13-51 or later, or version 7.1.2-26 or later, where the heap buffer overflow issue in the MVG decoder has been fixed.

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