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ImageMagick has heap-buffer-overflow via signed integer overflow in WriteUHDRImage when writing UHDR images with large dimensions

ImageMagick has heap-buffer-overflow via signed integer overflow in WriteUHDRImage when writing UHDR images with large dimensions

CVE-2026-25794Published 6 months agoUpdated 5 days agoSource: OSV

Affected packages

  • Magick.NET-Q16-AnyCPU— before 14.10.3
  • Magick.NET-Q16-HDRI-AnyCPU— before 14.10.3
  • Magick.NET-Q16-HDRI-OpenMP-arm64— before 14.10.3
  • Magick.NET-Q16-HDRI-OpenMP-x64— before 14.10.3
  • Magick.NET-Q16-HDRI-arm64— before 14.10.3
  • Magick.NET-Q16-HDRI-x64— before 14.10.3
  • Magick.NET-Q16-HDRI-x86— before 14.10.3
  • Magick.NET-Q16-OpenMP-arm64— before 14.10.3
  • Magick.NET-Q16-OpenMP-x64— before 14.10.3
  • Magick.NET-Q16-OpenMP-x86— before 14.10.3
  • Magick.NET-Q16-arm64— before 14.10.3
  • Magick.NET-Q16-x64— before 14.10.3
  • Magick.NET-Q16-x86— before 14.10.3
  • Magick.NET-Q8-AnyCPU— before 14.10.3
  • Magick.NET-Q8-OpenMP-arm64— before 14.10.3
  • Magick.NET-Q8-OpenMP-x64— before 14.10.3
  • Magick.NET-Q8-arm64— before 14.10.3
  • Magick.NET-Q8-x64— before 14.10.3
  • Magick.NET-Q8-x86— before 14.10.3

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
—
EPSS percentile
—

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.

Sources

Structured record: https://osv.dev/vulnerability/GHSA-vhqj-f5cj-9x8h

Recommended response stack

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ImageMagick has heap-buffer-overflow via signed integer overflow in WriteUHDRImage when writing UHDR images with large dimensions | HackTribune