ImageMagick has has a stack-buffer-overflow in MNG encoder with oversized pallete

GHSA-98cp-rj9f-6v5g

Published Apr 14, 2026 · Modified Apr 16, 2026

Description

The patch for GHSA-7h7q-j33q-hvpf was incomplete and still allows a stack buffer overflow for the multi frame images.

References

6.9 / 10

MEDIUM CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H

Affected Packages

NuGet/Magick.NET-Q16-AnyCPU

Fix 14.12.0

Introduced 0

213 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +193 more

NuGet/Magick.NET-Q16-HDRI-AnyCPU

Fix 14.12.0

Introduced 0

210 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +190 more

NuGet/Magick.NET-Q16-HDRI-OpenMP-arm64

Fix 14.12.0

Introduced 0

58 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +38 more

NuGet/Magick.NET-Q16-HDRI-OpenMP-x64

Fix 14.12.0

Introduced 0

110 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +90 more

NuGet/Magick.NET-Q16-HDRI-arm64

Fix 14.12.0

Introduced 0

58 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +38 more

NuGet/Magick.NET-Q16-HDRI-x64

Fix 14.12.0

Introduced 0

210 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +190 more

NuGet/Magick.NET-Q16-HDRI-x86

Fix 14.12.0

Introduced 0

210 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +190 more

NuGet/Magick.NET-Q16-OpenMP-arm64

Fix 14.12.0

Introduced 0

58 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +38 more

NuGet/Magick.NET-Q16-OpenMP-x64

Fix 14.12.0

Introduced 0

110 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +90 more

NuGet/Magick.NET-Q16-arm64

Fix 14.12.0

Introduced 0

58 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +38 more

NuGet/Magick.NET-Q16-x64

Fix 14.12.0

Introduced 0

229 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +209 more

NuGet/Magick.NET-Q16-x86

Fix 14.12.0

Introduced 0

229 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +209 more

NuGet/Magick.NET-Q8-AnyCPU

Fix 14.12.0

Introduced 0

213 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +193 more

NuGet/Magick.NET-Q8-OpenMP-arm64

Fix 14.12.0

Introduced 0

58 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +38 more

NuGet/Magick.NET-Q8-OpenMP-x64

Fix 14.12.0

Introduced 0

110 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +90 more

NuGet/Magick.NET-Q8-arm64

Fix 14.12.0

Introduced 0

58 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +38 more

NuGet/Magick.NET-Q8-x64

Fix 14.12.0

Introduced 0

229 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +209 more

NuGet/Magick.NET-Q8-x86

Fix 14.12.0

Introduced 0

229 affected versions

10.0.010.1.011.0.011.1.011.1.111.1.211.2.011.2.111.3.012.0.012.0.112.1.012.2.012.2.112.2.212.3.013.0.013.0.113.1.013.1.1 +209 more

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