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ImageMagick has a heap buffer overflow when encoding JXL image with a 16-bit float

ImageMagick has a heap buffer overflow when encoding JXL image with a 16-bit float

CVE-2026-40183Published 5 months agoUpdated 5 days agoSource: OSV

Affected packages

  • Magick.NET-Q16-AnyCPU— before 14.12.0
  • Magick.NET-Q16-HDRI-AnyCPU— before 14.12.0
  • Magick.NET-Q16-HDRI-OpenMP-arm64— before 14.12.0
  • Magick.NET-Q16-HDRI-arm64— before 14.12.0
  • Magick.NET-Q16-HDRI-x64— before 14.12.0
  • Magick.NET-Q16-HDRI-x86— before 14.12.0
  • Magick.NET-Q16-OpenMP-arm64— before 14.12.0
  • Magick.NET-Q16-OpenMP-x64— before 14.12.0
  • Magick.NET-Q16-arm64— before 14.12.0
  • Magick.NET-Q16-x64— before 14.12.0
  • Magick.NET-Q16-x86— before 14.12.0
  • Magick.NET-Q8-AnyCPU— before 14.12.0
  • Magick.NET-Q8-OpenMP-arm64— before 14.12.0
  • Magick.NET-Q8-OpenMP-x64— before 14.12.0
  • Magick.NET-Q8-arm64— before 14.12.0
  • Magick.NET-Q8-x64— before 14.12.0
  • Magick.NET-Q8-x86— before 14.12.0

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-jvgr-9ph5-m8v4

Recommended response stack

Snyk — Scan your dependencies in CI and fix this vulnerability.→

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