CVE-2026-30931: ImageMagick has a heap-based buffer overflow in UHDR encoder

Published Mar 9, 2026
·
Updated

A heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out of bounds write.

================================================================ ==2158399==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x521000039500 at pc 0x562a4a42f968 bp 0x7ffcca4ed6c0 sp 0x7ffcca4ed6b0 WRITE of size 1 at 0x521000039500 thread T0

Other sources

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, a heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out of bounds write. This vulnerability is fixed in 7.1.2-16.

— MITRE

Affected Software

24 affected componentsFixes available
ImageMagick ImageMagick<7.1.2-16
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<7.1.2-16
alpine/imagemagick<7.1.2.17-r0
7.1.2.17-r0
alpine/imagemagick<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

Event History

Mar 9, 2026
CVE Published
via MITRE·09:47 PM
Data Sourced
via MITRE·09:47 PM
DescriptionSeverityWeakness
Mar 10, 2026
Data Sourced
via NVD·07:44 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·07:44 AM
DescriptionSeverityAffected Software
Mar 12, 2026
Advisory Published
via GitHub·02:15 PM
Data Sourced
via GitHub·02:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-30931?

CVE-2026-30931 has a critical severity rating due to the potential for remote code execution through a heap-based buffer overflow.

2

How do I fix CVE-2026-30931?

To fix CVE-2026-30931, upgrade to ImageMagick version 7.1.2-16 or later.

3

What software versions are affected by CVE-2026-30931?

CVE-2026-30931 affects all versions of ImageMagick prior to 7.1.2-16.

4

What types of attacks can exploit CVE-2026-30931?

CVE-2026-30931 can be exploited via specially crafted image files that trigger the buffer overflow.

5

Is CVE-2026-30931 an open-source vulnerability?

Yes, CVE-2026-30931 affects the open-source ImageMagick software.

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