CVE-2026-53466 — ImageMagick: Heap Buffer Over-Read in...
MEDIUM
ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow
Published July 31, 2026Updated July 31, 2026Source: osv
Summary
An integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read and that can result in a crash.
Advisory Timeline
- First published July 31, 2026 (73 days ago).
- Last revised July 31, 2026 — 0 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
NuGet
Update Magick.NET-Q16-OpenMP-x64 to 14.15.0 or laterdotnet add package Magick.NET-Q16-OpenMP-x64 --version 14.15.0
NuGet
Update Magick.NET-Q8-x86 to 14.15.0 or laterdotnet add package Magick.NET-Q8-x86 --version 14.15.0
NuGet
Update Magick.NET-Q16-OpenMP-arm64 to 14.15.0 or laterdotnet add package Magick.NET-Q16-OpenMP-arm64 --version 14.15.0
NuGet
Update Magick.NET-Q16-HDRI-AnyCPU to 14.15.0 or laterdotnet add package Magick.NET-Q16-HDRI-AnyCPU --version 14.15.0
NuGet
Update Magick.NET-Q8-OpenMP-arm64 to 14.15.0 or laterdotnet add package Magick.NET-Q8-OpenMP-arm64 --version 14.15.0
NuGet
Update Magick.NET-Q16-HDRI-arm64 to 14.15.0 or laterdotnet add package Magick.NET-Q16-HDRI-arm64 --version 14.15.0
NuGet
Update Magick.NET-Q16-HDRI-x86 to 14.15.0 or laterdotnet add package Magick.NET-Q16-HDRI-x86 --version 14.15.0
NuGet
Update Magick.NET-Q8-OpenMP-x64 to 14.15.0 or laterdotnet add package Magick.NET-Q8-OpenMP-x64 --version 14.15.0
NuGet
Update Magick.NET-Q8-arm64 to 14.15.0 or laterdotnet add package Magick.NET-Q8-arm64 --version 14.15.0
NuGet
Update Magick.NET-Q16-x64 to 14.15.0 or laterdotnet add package Magick.NET-Q16-x64 --version 14.15.0
NuGet
Update Magick.NET-Q16-x86 to 14.15.0 or laterdotnet add package Magick.NET-Q16-x86 --version 14.15.0
NuGet
Update Magick.NET-Q8-AnyCPU to 14.15.0 or laterdotnet add package Magick.NET-Q8-AnyCPU --version 14.15.0
NuGet
Update Magick.NET-Q16-HDRI-x64 to 14.15.0 or laterdotnet add package Magick.NET-Q16-HDRI-x64 --version 14.15.0
NuGet
Update Magick.NET-Q16-AnyCPU to 14.15.0 or laterdotnet add package Magick.NET-Q16-AnyCPU --version 14.15.0
NuGet
Update Magick.NET-Q16-arm64 to 14.15.0 or laterdotnet add package Magick.NET-Q16-arm64 --version 14.15.0
NuGet
Update Magick.NET-Q8-x64 to 14.15.0 or laterdotnet add package Magick.NET-Q8-x64 --version 14.15.0
NuGet
Update Magick.NET-Q16-HDRI-OpenMP-arm64 to 14.15.0 or laterdotnet add package Magick.NET-Q16-HDRI-OpenMP-arm64 --version 14.15.0
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-OpenMP-x64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+110 more) | 14.15.0 |
| Magick.NET-Q8-x86 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+229 more) | 14.15.0 |
| Magick.NET-Q16-OpenMP-arm64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+58 more) | 14.15.0 |
| Magick.NET-Q16-HDRI-AnyCPU | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+210 more) | 14.15.0 |
| Magick.NET-Q8-OpenMP-arm64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+58 more) | 14.15.0 |
| Magick.NET-Q16-HDRI-arm64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+58 more) | 14.15.0 |
| Magick.NET-Q16-HDRI-x86 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+210 more) | 14.15.0 |
| Magick.NET-Q8-OpenMP-x64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+110 more) | 14.15.0 |
| Magick.NET-Q8-arm64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+58 more) | 14.15.0 |
| Magick.NET-Q16-x64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+229 more) | 14.15.0 |
| Magick.NET-Q16-x86 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+229 more) | 14.15.0 |
| Magick.NET-Q8-AnyCPU | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+213 more) | 14.15.0 |
| Magick.NET-Q16-HDRI-x64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+210 more) | 14.15.0 |
| Magick.NET-Q16-AnyCPU | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+213 more) | 14.15.0 |
| Magick.NET-Q16-arm64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+58 more) | 14.15.0 |
| Magick.NET-Q8-x64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+229 more) | 14.15.0 |
| Magick.NET-Q16-HDRI-OpenMP-arm64 | nuget | 10.0.0, 10.1.0, 11.0.0, 11.1.0 (+58 more) | 14.15.0 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-190Integer OverflowMITRE
- CWE-681
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 6.5 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pjxj-pchx-4c3mWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-53466ADVISORY
- https://github.com/ImageMagick/ImageMagick/commit/47ca7210515f3c9ea033b86fe4323a70caa74468WEB
- https://github.com/ImageMagick/ImageMagickPACKAGE
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-26WEB
- https://github.com/dlemstra/Magick.NET/releases/tag/14.15.0WEB
Frequently Asked Questions
- What is CVE-2026-53466?
- ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow 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-2026-53466?
- CVE-2026-53466 affects Magick.NET-Q16-OpenMP-x64, Magick.NET-Q8-x86 and Magick.NET-Q16-OpenMP-arm64 (and 14 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-53466 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-pjxj-pchx-4c3m
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