CVE-2026-33536: ImageMagick has an Out-of-bounds Write via InterpretImageFilename

Published Mar 26, 2026
·
Updated

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

Other sources

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-18 and 6.9.13-43, 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. Versions 7.1.2-18 and 6.9.13-43 patch the issue.

— MITRE

Affected Software

22 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-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-AnyCPU to a version that resolves this vulnerability.

    Fixed in 14.11.1
  6. Upgrade

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

    Fixed in 14.11.1
  7. Upgrade

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

    Fixed in 14.11.1
  8. Upgrade

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

    Fixed in 14.11.1
  9. Upgrade

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

    Fixed in 14.11.1
  10. Upgrade

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

    Fixed in 14.11.1
  11. Upgrade

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

    Fixed in 14.11.1
  12. Upgrade

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

    Fixed in 14.11.1
  13. Upgrade

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

    Fixed in 14.11.1
  14. Upgrade

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

    Fixed in 14.11.1
  15. Upgrade

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

    Fixed in 14.11.1
  16. Upgrade

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

    Fixed in 14.11.1
  17. Upgrade

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

    Fixed in 14.11.1
  18. Upgrade

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

    Fixed in 7.1.2.19-r0
  19. Upgrade

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

    Fixed in 7.1.2.18-r0
  20. 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
  21. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 7.1.2-18
  22. 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·07:14 PM
Data Sourced
via GitHub·07:14 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:57 PM
Data Sourced
via MITRE·07:57 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-2026-33536?

The severity of CVE-2026-33536 is considered high due to the potential for an out of bounds write that could lead to memory corruption.

2

How do I fix CVE-2026-33536?

To fix CVE-2026-33536, update to version 14.11.1 or later of the affected Magick.NET packages.

3

Which software packages are affected by CVE-2026-33536?

CVE-2026-33536 affects several Magick.NET packages including Q8, Q16, and their respective variants on x86, arm64, and OpenMP architectures.

4

What platforms are impacted by CVE-2026-33536?

CVE-2026-33536 can impact various platforms that utilize the affected versions of the Magick.NET packages.

5

What is the nature of the issue in CVE-2026-33536?

CVE-2026-33536 is caused by an incorrect return value leading to a pointer increment past the end of a buffer, resulting in a stack buffer overflow.

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