CVE-2026-33535: ImageMagick has an Out-of-Bounds write of a zero byte in its X11 display interaction

Published Mar 26, 2026
·
Updated

An out-of-bounds write of a zero byte exists in the X11 display interaction path that could lead to a crash.

Affected Software

23 affected componentsFixes available
nuget/magick.net-q8-x86<14.11.1
14.11.1
nuget/magick.net-q8-x64<14.11.1
14.11.1
nuget/magick.net-q8-arm64<14.11.1
14.11.1
nuget/magick.net-q8-openmp-x64<14.11.1
14.11.1
nuget/magick.net-q8-openmp-arm64<14.11.1
14.11.1
nuget/magick.net-q8-anycpu<14.11.1
14.11.1
nuget/magick.net-q16-x86<14.11.1
14.11.1
nuget/magick.net-q16-x64<14.11.1
14.11.1
nuget/magick.net-q16-arm64<14.11.1
14.11.1
nuget/magick.net-q16-openmp-x86<14.11.1
14.11.1
nuget/magick.net-q16-openmp-x64<14.11.1
14.11.1
nuget/magick.net-q16-openmp-arm64<14.11.1
14.11.1
nuget/magick.net-q16-hdri-x86<14.11.1
14.11.1
nuget/magick.net-q16-hdri-x64<14.11.1
14.11.1
nuget/magick.net-q16-hdri-arm64<14.11.1
14.11.1
nuget/magick.net-q16-hdri-openmp-arm64<14.11.1
14.11.1
nuget/magick.net-q16-hdri-anycpu<14.11.1
14.11.1
nuget/magick.net-q16-anycpu<14.11.1
14.11.1
ImageMagick ImageMagick<6.9.13-43
ImageMagick ImageMagick>=7.0.0-0<7.1.2-18
alpine/imagemagick>=7.0.0-0<7.1.2.19-r0
7.1.2.19-r0
alpine/imagemagick>=7.0.0-0<7.1.2.18-r0
7.1.2.18-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 14.11.1
  2. Upgrade

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

    Fixed in 14.11.1
  3. Upgrade

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

    Fixed in 14.11.1
  4. Upgrade

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

    Fixed in 14.11.1
  5. Upgrade

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

    Fixed in 14.11.1
  6. Upgrade

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

    Fixed in 14.11.1
  7. Upgrade

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

    Fixed in 14.11.1
  8. Upgrade

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

    Fixed in 14.11.1
  9. Upgrade

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

    Fixed in 14.11.1
  10. Upgrade

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

    Fixed in 14.11.1
  11. Upgrade

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

    Fixed in 14.11.1
  12. Upgrade

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

    Fixed in 14.11.1
  13. Upgrade

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

    Fixed in 14.11.1
  14. Upgrade

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

    Fixed in 14.11.1
  15. Upgrade

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

    Fixed in 14.11.1
  16. Upgrade

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

    Fixed in 14.11.1
  17. Upgrade

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

    Fixed in 14.11.1
  18. Upgrade

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

    Fixed in 14.11.1
  19. Upgrade

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

    Fixed in 7.1.2.19-r0
  20. Upgrade

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

    Fixed in 7.1.2.18-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 7.1.2-18
  23. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 6.9.13-43

Event History

Mar 26, 2026
Advisory Published
via GitHub·05:17 PM
Data Sourced
via GitHub·05:17 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:52 PM
Data Sourced
via MITRE·07:52 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·08:16 PM
DescriptionSeverityAffected 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-2026-33535?

CVE-2026-33535 is characterized as having a critical severity due to the potential for application crashes.

2

How do I fix CVE-2026-33535?

To mitigate CVE-2026-33535, upgrade to version 14.11.1 of the affected Magick.NET packages.

3

Which software packages are affected by CVE-2026-33535?

CVE-2026-33535 affects several Magick.NET packages, including Q8 and Q16 versions for various architectures.

4

What causes the CVE-2026-33535 vulnerability?

CVE-2026-33535 is caused by an out-of-bounds write in the X11 display interaction path.

5

Is CVE-2026-33535 being actively exploited?

As of now, there is no public information indicating active exploitation of CVE-2026-33535.

Company

Resources

Contact

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