CVE-2026-53465 — ImageMagick has a Heap Buffer Over-Write in...

MEDIUM

ImageMagick has a Heap Buffer Over-Write in SF3 encoder when writing multi-frame image

Published June 26, 2026Updated June 26, 2026Source: osv

Summary

An crafted multi-frame can result in a heap buffer over-write when encoding it with the SF3 encoder.

Advisory Timeline

First published June 26, 2026 (107 days ago).
Last revised June 26, 2026 — 0 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet

Update Magick.NET-Q16-x64 to 14.14.0 or later

dotnet add package Magick.NET-Q16-x64 --version 14.14.0

NuGet

Update Magick.NET-Q16-HDRI-arm64 to 14.14.0 or later

dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.14.0

NuGet

Update Magick.NET-Q8-x64 to 14.14.0 or later

dotnet add package Magick.NET-Q8-x64 --version 14.14.0

NuGet

Update Magick.NET-Q8-OpenMP-arm64 to 14.14.0 or later

dotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.14.0

NuGet

Update Magick.NET-Q16-HDRI-x86 to 14.14.0 or later

dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.14.0

NuGet

Update Magick.NET-Q8-OpenMP-x64 to 14.14.0 or later

dotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.14.0

NuGet

Update Magick.NET-Q16-HDRI-x64 to 14.14.0 or later

dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.14.0

NuGet

Update Magick.NET-Q16-HDRI-OpenMP-arm64 to 14.14.0 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.14.0

NuGet

Update Magick.NET-Q8-x86 to 14.14.0 or later

dotnet add package Magick.NET-Q8-x86 --version 14.14.0

NuGet

Update Magick.NET-Q16-x86 to 14.14.0 or later

dotnet add package Magick.NET-Q16-x86 --version 14.14.0

NuGet

Update Magick.NET-Q8-AnyCPU to 14.14.0 or later

dotnet add package Magick.NET-Q8-AnyCPU --version 14.14.0

NuGet

Update Magick.NET-Q16-arm64 to 14.14.0 or later

dotnet add package Magick.NET-Q16-arm64 --version 14.14.0

NuGet

Update Magick.NET-Q8-arm64 to 14.14.0 or later

dotnet add package Magick.NET-Q8-arm64 --version 14.14.0

NuGet

Update Magick.NET-Q16-OpenMP-x64 to 14.14.0 or later

dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.14.0

NuGet

Update Magick.NET-Q16-AnyCPU to 14.14.0 or later

dotnet add package Magick.NET-Q16-AnyCPU --version 14.14.0

NuGet

Update Magick.NET-Q16-HDRI-AnyCPU to 14.14.0 or later

dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.14.0

NuGet

Update Magick.NET-Q16-OpenMP-arm64 to 14.14.0 or later

dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.14.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (17)

Affects 1 ecosystem: nuget (17).

Package	Ecosystem	Affected	Fixed In
Magick.NET-Q16-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+228 more)	14.14.0
Magick.NET-Q16-HDRI-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+57 more)	14.14.0
Magick.NET-Q8-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+228 more)	14.14.0
Magick.NET-Q8-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+57 more)	14.14.0
Magick.NET-Q16-HDRI-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+209 more)	14.14.0
Magick.NET-Q8-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+109 more)	14.14.0
Magick.NET-Q16-HDRI-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+209 more)	14.14.0
Magick.NET-Q16-HDRI-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+57 more)	14.14.0
Magick.NET-Q8-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+228 more)	14.14.0
Magick.NET-Q16-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+228 more)	14.14.0
Magick.NET-Q8-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+212 more)	14.14.0
Magick.NET-Q16-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+57 more)	14.14.0
Magick.NET-Q8-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+57 more)	14.14.0
Magick.NET-Q16-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+109 more)	14.14.0
Magick.NET-Q16-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+212 more)	14.14.0
Magick.NET-Q16-HDRI-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+209 more)	14.14.0
Magick.NET-Q16-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+57 more)	14.14.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-122
View on MITRE
CWE-787
Out-of-bounds WriteMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 6.2 score means for each attack dimension.

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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

References

Frequently Asked Questions

What is CVE-2026-53465?: ImageMagick has a Heap Buffer Over-Write in SF3 encoder when writing multi-frame image This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 6.2/10).
How do I check if my project is affected by CVE-2026-53465?: CVE-2026-53465 affects Magick.NET-Q16-x64, Magick.NET-Q16-HDRI-arm64 and Magick.NET-Q8-x64 (and 14 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-53465 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

6.2

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-44cp-c3ww-9rv5

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