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ImageMagick: Stack Overflow in MVG decoder due to missing depth check.

Moderate severity GitHub Reviewed Published Jun 26, 2026 in ImageMagick/ImageMagick • Updated Jul 24, 2026

Package

nuget Magick.NET-Q16-AnyCPU (NuGet)

Affected versions

< 14.15.0

Patched versions

14.15.0
nuget Magick.NET-Q16-HDRI-AnyCPU (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-OpenMP-arm64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-arm64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-x64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-HDRI-x86 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-OpenMP-arm64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-OpenMP-x64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-arm64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-x64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q16-x86 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q8-AnyCPU (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q8-OpenMP-arm64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q8-OpenMP-x64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q8-arm64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q8-x64 (NuGet)
< 14.15.0
14.15.0
nuget Magick.NET-Q8-x86 (NuGet)
< 14.15.0
14.15.0

Description

A missing depth check in the MVG decoder will result in a stack overflow when a crafted image is provided.

References

@dlemstra dlemstra published to ImageMagick/ImageMagick Jun 26, 2026
Published by the National Vulnerability Database Jul 1, 2026
Published to the GitHub Advisory Database Jul 24, 2026
Reviewed Jul 24, 2026
Last updated Jul 24, 2026

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(15th percentile)

Weaknesses

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource. Learn more on MITRE.

Uncontrolled Recursion

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Learn more on MITRE.

CVE ID

CVE-2026-55594

GHSA ID

GHSA-mx48-2qq3-23hf

Source code

Credits

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