CVE-2026-62343: ImageMagick: Heap Buffer Over-Write in morphology operation when an invalid kernel is provided

Published Jul 24, 2026
·
Updated

An invalid kernel can cause a heap buffer over-write when performing a morphology operation with a user supplied kernel.

Affected Software

23 affected componentsFixes available
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-x64<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-x64<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
ImageMagick ImageMagick<6.9.13-51
ImageMagick ImageMagick>=7.0.0-0<7.1.2-26
debian/imagemagick<8:6.9.11.60+dfsg-1.6+deb12u14
8:6.9.11.60+dfsg-1.6+deb12u14
debian/imagemagick<8:7.1.1.43+dfsg1-1+deb13u13
8:7.1.1.43+dfsg1-1+deb13u13
debian/imagemagick<8:7.1.2.26+dfsg1-1
8:7.1.2.26+dfsg1-1
debian/imagemagick<=8:6.9.11.60+dfsg-1.6+deb12u11, <=8:7.1.1.43+dfsg1-1+deb13u12
8:6.9.11.60+dfsg-1.6+deb12u158:7.1.1.43+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-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 debian/imagemagick to a version that resolves this vulnerability.

    Fixed in 8:6.9.11.60+dfsg-1.6+deb12u14
  19. Upgrade

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

    Fixed in 8:7.1.1.43+dfsg1-1+deb13u13
  20. Upgrade

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

    Fixed in 8:7.1.2.26+dfsg1-1
  21. Upgrade

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

    Fixed in 8:6.9.11.60+dfsg-1.6+deb12u15Fixed 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 6.9.13-51
  23. Upgrade

    Upgrade ImageMagick to a version that resolves this vulnerability.

    Fixed in 7.1.2-26

Event History

Jul 24, 2026
Advisory Published
via GitHub·04:19 PM
Data Sourced
via GitHub·04:19 PM
DescriptionSeverityWeaknessAffected Software
Jul 29, 2026
CVE Published
via MITRE·11:57 PM
Data Sourced
via MITRE·11:57 PM
DescriptionSeverityWeakness
Jul 30, 2026
Data Sourced
via NVD·12:16 AM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·12:16 AM
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-2026-62343?

CVE-2026-62343 has a medium severity score of 4.7.

2

How do I fix CVE-2026-62343?

To fix CVE-2026-62343, update to the latest version of Magick.NET that addresses this vulnerability.

3

What types of software are affected by CVE-2026-62343?

CVE-2026-62343 affects several versions of Magick.NET, including Q8 and Q16 builds for various architectures.

4

What kind of attack is possible due to CVE-2026-62343?

CVE-2026-62343 could lead to a heap buffer overflow through invalid kernel operations supplied by a user.

5

What is the risk associated with CVE-2026-62343?

CVE-2026-62343 carries a risk level of 27, indicating a potential for significant impact if exploited.

Company

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Contact

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