CVE-2026-53466: ImageMagick: Heap Buffer Over-Read in XCF decoder due to integer conversion overflow

Published Jul 1, 2026
·
Updated

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.

Other sources

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, an integer overflow in the XCF decoder can result in an out of bounds read when a crafted image is read, potentially resulting in a crash. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

— MITRE

Affected Software

18 affected componentsFixes available
ImageMagick ImageMagick<6.9.13-51, <7.1.2-26
ImageMagick ImageMagick<6.9.13-51
ImageMagick ImageMagick>=7.0.0-0<7.1.2-26
nuget/Magick.NET-Q16-HDRI-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q8-x86<14.15.0
14.15.0
nuget/Magick.NET-Q8-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q8-OpenMP-x64<14.15.0
14.15.0
nuget/Magick.NET-Q8-OpenMP-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q8-AnyCPU<14.15.0
14.15.0
nuget/Magick.NET-Q16-x86<14.15.0
14.15.0
nuget/Magick.NET-Q16-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q16-OpenMP-x64<14.15.0
14.15.0
nuget/Magick.NET-Q16-OpenMP-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-x86<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-x64<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-OpenMP-arm64<14.15.0
14.15.0
nuget/Magick.NET-Q16-HDRI-AnyCPU<14.15.0
14.15.0
nuget/Magick.NET-Q16-AnyCPU<14.15.0
14.15.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  2. Upgrade

    Upgrade nuget/Magick.NET-Q8-x86 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  3. Upgrade

    Upgrade nuget/Magick.NET-Q8-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  4. Upgrade

    Upgrade nuget/Magick.NET-Q8-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  5. Upgrade

    Upgrade nuget/Magick.NET-Q8-OpenMP-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  6. Upgrade

    Upgrade nuget/Magick.NET-Q8-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  7. Upgrade

    Upgrade nuget/Magick.NET-Q8-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.15.0
  8. Upgrade

    Upgrade nuget/Magick.NET-Q16-x86 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  9. Upgrade

    Upgrade nuget/Magick.NET-Q16-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  10. Upgrade

    Upgrade nuget/Magick.NET-Q16-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  11. Upgrade

    Upgrade nuget/Magick.NET-Q16-OpenMP-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  12. Upgrade

    Upgrade nuget/Magick.NET-Q16-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  13. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-x86 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  14. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-x64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  15. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-OpenMP-arm64 to a version that resolves this vulnerability.

    Fixed in 14.15.0
  16. Upgrade

    Upgrade nuget/Magick.NET-Q16-HDRI-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.15.0
  17. Upgrade

    Upgrade nuget/Magick.NET-Q16-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.15.0
  18. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 6.9.13-51
  19. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 7.1.2-26

Event History

Jul 1, 2026
CVE Published
via MITRE·06:20 PM
Data Sourced
via MITRE·06:20 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Jul 31, 2026
Advisory Published
via GitHub·07:40 PM
Data Sourced
via GitHub·07:40 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-53466?

The severity of CVE-2026-53466 is medium with a CVSS score of 6.5.

2

How do I fix CVE-2026-53466?

To fix CVE-2026-53466, upgrade to ImageMagick versions 6.9.13-51 or 7.1.2-26 or later.

3

What impact does CVE-2026-53466 have on ImageMagick users?

CVE-2026-53466 can potentially lead to a crash when a crafted XCF image is read, due to heap buffer over-read.

4

What causes CVE-2026-53466 in ImageMagick?

CVE-2026-53466 is caused by an integer conversion overflow in the XCF decoder of ImageMagick.

5

Is CVE-2026-53466 exploitable remotely?

Yes, CVE-2026-53466 is exploitable remotely as it is triggered when processing crafted image files.

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