CVE-2026-33536

MEDIUM

ImageMagick has an Out-of-bounds Write via InterpretImageFilename

Published March 26, 2026Updated April 10, 2026Source: osv

Summary

Due to an incorrect return value on certain platforms a pointer is incremented past the end of a buffer that is on the stack and that could result in an out of bounds write. ``` ================================================================= ==48558==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x00016b9b7490 at pc 0x0001046d48ac bp 0x00016b9b31d0 sp 0x00016b9b31c8 WRITE of size 1 at 0x00016b9b7490 thread T0 ```

Remediation

Upgrade to the fixed version using your package manager.

NuGet

Update Magick.NET-Q8-x86 to 14.11.1 or later

dotnet add package Magick.NET-Q8-x86 --version 14.11.1

NuGet

Update Magick.NET-Q16-HDRI-AnyCPU to 14.11.1 or later

dotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.11.1

NuGet

Update Magick.NET-Q8-arm64 to 14.11.1 or later

dotnet add package Magick.NET-Q8-arm64 --version 14.11.1

NuGet

Update Magick.NET-Q8-x64 to 14.11.1 or later

dotnet add package Magick.NET-Q8-x64 --version 14.11.1

NuGet

Update Magick.NET-Q16-x86 to 14.11.1 or later

dotnet add package Magick.NET-Q16-x86 --version 14.11.1

NuGet

Update Magick.NET-Q16-HDRI-OpenMP-arm64 to 14.11.1 or later

dotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.11.1

NuGet

Update Magick.NET-Q16-OpenMP-x64 to 14.11.1 or later

dotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.11.1

NuGet

Update Magick.NET-Q16-OpenMP-arm64 to 14.11.1 or later

dotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.11.1

NuGet

Update Magick.NET-Q16-AnyCPU to 14.11.1 or later

dotnet add package Magick.NET-Q16-AnyCPU --version 14.11.1

NuGet

Update Magick.NET-Q16-HDRI-x64 to 14.11.1 or later

dotnet add package Magick.NET-Q16-HDRI-x64 --version 14.11.1

NuGet

Update Magick.NET-Q16-x64 to 14.11.1 or later

dotnet add package Magick.NET-Q16-x64 --version 14.11.1

NuGet

Update Magick.NET-Q16-HDRI-arm64 to 14.11.1 or later

dotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.11.1

NuGet

Update Magick.NET-Q16-HDRI-x86 to 14.11.1 or later

dotnet add package Magick.NET-Q16-HDRI-x86 --version 14.11.1

NuGet

Update Magick.NET-Q16-arm64 to 14.11.1 or later

dotnet add package Magick.NET-Q16-arm64 --version 14.11.1

NuGet

Update Magick.NET-Q16-OpenMP-x86 to 14.11.1 or later

dotnet add package Magick.NET-Q16-OpenMP-x86 --version 14.11.1

NuGet

Update Magick.NET-Q8-OpenMP-x64 to 14.11.1 or later

dotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.11.1

NuGet

Update Magick.NET-Q8-AnyCPU to 14.11.1 or later

dotnet add package Magick.NET-Q8-AnyCPU --version 14.11.1

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

Affected Packages (17)

Package	Ecosystem	Affected	Fixed In
Magick.NET-Q8-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+224 more)	14.11.1
Magick.NET-Q16-HDRI-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+205 more)	14.11.1
Magick.NET-Q8-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+53 more)	14.11.1
Magick.NET-Q8-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+224 more)	14.11.1
Magick.NET-Q16-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+224 more)	14.11.1
Magick.NET-Q16-HDRI-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+53 more)	14.11.1
Magick.NET-Q16-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+105 more)	14.11.1
Magick.NET-Q16-OpenMP-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+53 more)	14.11.1
Magick.NET-Q16-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+208 more)	14.11.1
Magick.NET-Q16-HDRI-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+205 more)	14.11.1
Magick.NET-Q16-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+224 more)	14.11.1
Magick.NET-Q16-HDRI-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+53 more)	14.11.1
Magick.NET-Q16-HDRI-x86	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+205 more)	14.11.1
Magick.NET-Q16-arm64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+53 more)	14.11.1
Magick.NET-Q16-OpenMP-x86	nuget	All versions	14.11.1
Magick.NET-Q8-OpenMP-x64	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+105 more)	14.11.1
Magick.NET-Q8-AnyCPU	nuget	10.0.0, 10.1.0, 11.0.0, 11.1.0 (+208 more)	14.11.1

Vulnerability Classification

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

CWE-121
View on MITRE
CWE-787
Out-of-bounds WriteMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 5.1 score means for each attack dimension.

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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

References

Frequently Asked Questions

What is CVE-2026-33536?: ImageMagick has an Out-of-bounds Write via InterpretImageFilename This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 5.1/10).
How do I check if my project is affected by CVE-2026-33536?: CVE-2026-33536 affects Magick.NET-Q8-x86, Magick.NET-Q16-HDRI-AnyCPU and Magick.NET-Q8-arm64 (and 14 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-33536 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

5.1

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

Also Known As

GHSA-8793-7xv6-82cf

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