CVE-2026-22770 — ImageMagick releases an invalid pointer in...

MEDIUM

ImageMagick releases an invalid pointer in BilateralBlur when memory allocation fails

Published January 20, 2026Updated September 10, 2026Source: osv

Summary

The BilateralBlurImage method will allocate a set of double buffers inside AcquireBilateralTLS. But the last element in the set is not properly initialized. This will result in a release of an invalid pointer inside DestroyBilateralTLS when the memory allocation fails.

Advisory Timeline

First published January 20, 2026 (265 days ago).
Last revised September 10, 2026 — 232 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet

Update Magick.NET-Q8-x64 to 14.10.2 or later

dotnet add package Magick.NET-Q8-x64 --version 14.10.2

NuGet

Update Magick.NET-Q16-HDRI-OpenMP-x64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-x64 --version 14.10.2

NuGet

Update Magick.NET-Q8-AnyCPU to 14.10.2 or later

dotnet add package Magick.NET-Q8-AnyCPU --version 14.10.2

NuGet

Update Magick.NET-Q16-HDRI-OpenMP-arm64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.10.2

NuGet

Update Magick.NET-Q16-OpenMP-arm64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.10.2

NuGet

Update Magick.NET-Q16-HDRI-arm64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.10.2

NuGet

Update Magick.NET-Q8-x86 to 14.10.2 or later

dotnet add package Magick.NET-Q8-x86 --version 14.10.2

NuGet

Update Magick.NET-Q16-x86 to 14.10.2 or later

dotnet add package Magick.NET-Q16-x86 --version 14.10.2

NuGet

Update Magick.NET-Q16-OpenMP-x86 to 14.10.2 or later

dotnet add package Magick.NET-Q16-OpenMP-x86 --version 14.10.2

NuGet

Update Magick.NET-Q16-arm64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-arm64 --version 14.10.2

NuGet

Update Magick.NET-Q8-OpenMP-x64 to 14.10.2 or later

dotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.10.2

NuGet

Update Magick.NET-Q16-HDRI-x64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.10.2

NuGet

Update Magick.NET-Q8-arm64 to 14.10.2 or later

dotnet add package Magick.NET-Q8-arm64 --version 14.10.2

NuGet

Update Magick.NET-Q16-HDRI-x86 to 14.10.2 or later

dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.10.2

NuGet

Update Magick.NET-Q8-OpenMP-arm64 to 14.10.2 or later

dotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.10.2

NuGet

Update Magick.NET-Q16-AnyCPU to 14.10.2 or later

dotnet add package Magick.NET-Q16-AnyCPU --version 14.10.2

NuGet

Update Magick.NET-Q16-OpenMP-x64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.10.2

NuGet

Update Magick.NET-Q16-x64 to 14.10.2 or later

dotnet add package Magick.NET-Q16-x64 --version 14.10.2

NuGet

Update Magick.NET-Q16-HDRI-AnyCPU to 14.10.2 or later

dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.10.2

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

Affected Packages (19)

Affects 1 ecosystem: nuget (19).

Package	Ecosystem	Affected	Fixed In
Magick.NET-Q8-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+220 more)	14.10.2
Magick.NET-Q16-HDRI-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+101 more)	14.10.2
Magick.NET-Q8-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+204 more)	14.10.2
Magick.NET-Q16-HDRI-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+49 more)	14.10.2
Magick.NET-Q16-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+49 more)	14.10.2
Magick.NET-Q16-HDRI-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+49 more)	14.10.2
Magick.NET-Q8-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+220 more)	14.10.2
Magick.NET-Q16-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+220 more)	14.10.2
Magick.NET-Q16-OpenMP-x86	nuget	All versions	14.10.2
Magick.NET-Q16-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+49 more)	14.10.2
Magick.NET-Q8-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+101 more)	14.10.2
Magick.NET-Q16-HDRI-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+201 more)	14.10.2
Magick.NET-Q8-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+49 more)	14.10.2
Magick.NET-Q16-HDRI-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+201 more)	14.10.2
Magick.NET-Q8-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+49 more)	14.10.2
Magick.NET-Q16-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+204 more)	14.10.2
Magick.NET-Q16-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+101 more)	14.10.2
Magick.NET-Q16-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+220 more)	14.10.2
Magick.NET-Q16-HDRI-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+201 more)	14.10.2

Vulnerability Classification

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

CWE-763
View on MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 6.5 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

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

References

Frequently Asked Questions

What is CVE-2026-22770?: ImageMagick releases an invalid pointer in BilateralBlur when memory allocation fails This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 6.5/10).
How do I check if my project is affected by CVE-2026-22770?: CVE-2026-22770 affects Magick.NET-Q8-x64, Magick.NET-Q16-HDRI-OpenMP-x64 and Magick.NET-Q8-AnyCPU (and 16 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-22770 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

6.5

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

Also Known As

GHSA-39h3-g67r-7g3c

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