CVE-2026-28494: ImageMagick affected by stack corruption through long morphology kernel names or arrays

Published Mar 9, 2026
·
Updated

A stack buffer overflow exists in ImageMagick's morphology kernel parsing functions. User-controlled kernel strings exceeding a buffer are copied into fixed-size stack buffers via memcpy without bounds checking, resulting in stack corruption.

Affected Software

26 affected componentsFixes available
ImageMagick ImageMagick<7.1.2-16
ImageMagick ImageMagick<6.9.13-41
nuget/magick.net-q8-x86<14.10.4
14.10.4
nuget/magick.net-q8-x64<14.10.4
14.10.4
nuget/magick.net-q8-arm64<14.10.4
14.10.4
nuget/magick.net-q8-openmp-x64<14.10.4
14.10.4
nuget/magick.net-q8-openmp-arm64<14.10.4
14.10.4
nuget/magick.net-q8-anycpu<14.10.4
14.10.4
nuget/magick.net-q16-hdri-openmp-x64<14.10.4
14.10.4
nuget/magick.net-q16-x86<14.10.4
14.10.4
nuget/magick.net-q16-x64<14.10.4
14.10.4
nuget/magick.net-q16-arm64<14.10.4
14.10.4
nuget/magick.net-q16-openmp-x86<14.10.4
14.10.4
nuget/magick.net-q16-openmp-x64<14.10.4
14.10.4
nuget/magick.net-q16-openmp-arm64<14.10.4
14.10.4
nuget/magick.net-q16-hdri-x86<14.10.4
14.10.4
nuget/magick.net-q16-hdri-x64<14.10.4
14.10.4
nuget/magick.net-q16-hdri-arm64<14.10.4
14.10.4
nuget/magick.net-q16-hdri-openmp-arm64<14.10.4
14.10.4
nuget/magick.net-q16-hdri-anycpu<14.10.4
14.10.4
nuget/magick.net-q16-anycpu<14.10.4
14.10.4
ImageMagick ImageMagick<6.9.13-41
ImageMagick ImageMagick>=7.0.0-0<7.1.2-16
alpine/imagemagick>=7.0.0-0<7.1.2.17-r0
7.1.2.17-r0
alpine/imagemagick>=7.0.0-0<7.1.2.17-r0
7.1.2.17-r0
debian/imagemagick
8:6.9.11.60+dfsg-1.6+deb12u118:6.9.11.60+dfsg-1.6+deb12u158:7.1.1.43+dfsg1-1+deb13u128:7.1.1.43+dfsg1-1+deb13u148:7.1.2.34+dfsg1-18:7.1.2.35+dfsg1-2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 14.10.4
  2. Upgrade

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

    Fixed in 14.10.4
  3. Upgrade

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

    Fixed in 14.10.4
  4. Upgrade

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

    Fixed in 14.10.4
  5. Upgrade

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

    Fixed in 14.10.4
  6. Upgrade

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

    Fixed in 14.10.4
  7. Upgrade

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

    Fixed in 14.10.4
  8. Upgrade

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

    Fixed in 14.10.4
  9. Upgrade

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

    Fixed in 14.10.4
  10. Upgrade

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

    Fixed in 14.10.4
  11. Upgrade

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

    Fixed in 14.10.4
  12. Upgrade

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

    Fixed in 14.10.4
  13. Upgrade

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

    Fixed in 14.10.4
  14. Upgrade

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

    Fixed in 14.10.4
  15. Upgrade

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

    Fixed in 14.10.4
  16. Upgrade

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

    Fixed in 14.10.4
  17. Upgrade

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

    Fixed in 14.10.4
  18. Upgrade

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

    Fixed in 14.10.4
  19. Upgrade

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

    Fixed in 14.10.4
  20. Upgrade

    Upgrade alpine/imagemagick to a version that resolves this vulnerability.

    Fixed in 7.1.2.17-r0
  21. Upgrade

    Upgrade debian/imagemagick to a version that resolves this vulnerability.

    Fixed in 8:6.9.11.60+dfsg-1.6+deb12u11Fixed in 8:6.9.11.60+dfsg-1.6+deb12u15Fixed in 8:7.1.1.43+dfsg1-1+deb13u12Fixed in 8:7.1.1.43+dfsg1-1+deb13u14Fixed in 8:7.1.2.34+dfsg1-1Fixed in 8:7.1.2.35+dfsg1-2
  22. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 7.1.2-16
  23. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 6.9.13-41

Event History

Mar 9, 2026
CVE Published
via MITRE·09:31 PM
Data Sourced
via MITRE·09:31 PM
DescriptionSeverityWeakness
Mar 10, 2026
Data Sourced
via NVD·07:43 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·07:43 AM
DescriptionSeverityAffected Software
Mar 12, 2026
Advisory Published
via GitHub·02:08 PM
Data Sourced
via GitHub·02:08 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2026-28494?

CVE-2026-28494 has a high severity due to its potential for stack buffer overflow vulnerabilities in ImageMagick.

2

How do I fix CVE-2026-28494?

To fix CVE-2026-28494, upgrade ImageMagick to version 7.1.2-16 or 6.9.13-41 or later.

3

What versions of ImageMagick are affected by CVE-2026-28494?

CVE-2026-28494 affects versions of ImageMagick prior to 7.1.2-16 and 6.9.13-41.

4

What is the impact of CVE-2026-28494?

The impact of CVE-2026-28494 includes potential remote code execution due to stack corruption.

5

Is there a workaround for CVE-2026-28494?

There are no specific workarounds for CVE-2026-28494; updating to the latest version is recommended.

Company

Resources

Contact

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