{"id":"CVE-2026-48994","title":"ImageMagick has a Heap Buffer Over-Write in MAT decoder on 32-bit systems","summary":"ImageMagick has a Heap Buffer Over-Write in MAT decoder on 32-bit systems","severity":"medium","cvss":5.9,"cwe":["CWE-122"],"vendor":"Magick","product":"Magick.NET-Q16-AnyCPU","ecosystem":"nuget","affected":["Magick.NET-Q16-AnyCPU < 14.14.0","Magick.NET-Q16-HDRI-AnyCPU < 14.14.0","Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.14.0","Magick.NET-Q16-HDRI-arm64 < 14.14.0","Magick.NET-Q16-HDRI-x64 < 14.14.0","Magick.NET-Q16-HDRI-x86 < 14.14.0","Magick.NET-Q16-OpenMP-arm64 < 14.14.0","Magick.NET-Q16-OpenMP-x64 < 14.14.0","Magick.NET-Q16-arm64 < 14.14.0","Magick.NET-Q16-x64 < 14.14.0","Magick.NET-Q16-x86 < 14.14.0","Magick.NET-Q8-AnyCPU < 14.14.0","Magick.NET-Q8-OpenMP-arm64 < 14.14.0","Magick.NET-Q8-OpenMP-x64 < 14.14.0","Magick.NET-Q8-arm64 < 14.14.0","Magick.NET-Q8-x64 < 14.14.0","Magick.NET-Q8-x86 < 14.14.0"],"patched":["Magick.NET-Q16-AnyCPU 14.14.0","Magick.NET-Q16-HDRI-AnyCPU 14.14.0","Magick.NET-Q16-HDRI-OpenMP-arm64 14.14.0","Magick.NET-Q16-HDRI-arm64 14.14.0","Magick.NET-Q16-HDRI-x64 14.14.0","Magick.NET-Q16-HDRI-x86 14.14.0","Magick.NET-Q16-OpenMP-arm64 14.14.0","Magick.NET-Q16-OpenMP-x64 14.14.0","Magick.NET-Q16-arm64 14.14.0","Magick.NET-Q16-x64 14.14.0","Magick.NET-Q16-x86 14.14.0","Magick.NET-Q8-AnyCPU 14.14.0","Magick.NET-Q8-OpenMP-arm64 14.14.0","Magick.NET-Q8-OpenMP-x64 14.14.0","Magick.NET-Q8-arm64 14.14.0","Magick.NET-Q8-x64 14.14.0","Magick.NET-Q8-x86 14.14.0"],"published":"2026-06-25","updated":"2026-06-25","source":"GHSA","sourceUrl":"https://github.com/advisories/GHSA-4v89-6mgq-6rgc","references":[{"url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-4v89-6mgq-6rgc"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48994"},{"url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.14.0"},{"url":"https://github.com/advisories/GHSA-4v89-6mgq-6rgc"}],"tags":["ghsa","nuget"],"epss":0.00227,"epssPercentile":0.13691,"ingestedAt":"2026-06-26T16:43:14.212Z","slug":"CVE-2026-48994","body":"## Overview\n\nA missing check of a return value could lead to a heap buffer over-write in the MAT decoder on 32-bit systems.\n\n## Affected packages\n\n- `Magick.NET-Q16-AnyCPU < 14.14.0`\n- `Magick.NET-Q16-HDRI-AnyCPU < 14.14.0`\n- `Magick.NET-Q16-HDRI-OpenMP-arm64 < 14.14.0`\n- `Magick.NET-Q16-HDRI-arm64 < 14.14.0`\n- `Magick.NET-Q16-HDRI-x64 < 14.14.0`\n- `Magick.NET-Q16-HDRI-x86 < 14.14.0`\n- `Magick.NET-Q16-OpenMP-arm64 < 14.14.0`\n- `Magick.NET-Q16-OpenMP-x64 < 14.14.0`\n- `Magick.NET-Q16-arm64 < 14.14.0`\n- `Magick.NET-Q16-x64 < 14.14.0`\n- `Magick.NET-Q16-x86 < 14.14.0`\n- `Magick.NET-Q8-AnyCPU < 14.14.0`\n- `Magick.NET-Q8-OpenMP-arm64 < 14.14.0`\n- `Magick.NET-Q8-OpenMP-x64 < 14.14.0`\n- `Magick.NET-Q8-arm64 < 14.14.0`\n- `Magick.NET-Q8-x64 < 14.14.0`\n- `Magick.NET-Q8-x86 < 14.14.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `Magick.NET-Q16-AnyCPU 14.14.0`\n- `Magick.NET-Q16-HDRI-AnyCPU 14.14.0`\n- `Magick.NET-Q16-HDRI-OpenMP-arm64 14.14.0`\n- `Magick.NET-Q16-HDRI-arm64 14.14.0`\n- `Magick.NET-Q16-HDRI-x64 14.14.0`\n- `Magick.NET-Q16-HDRI-x86 14.14.0`\n- `Magick.NET-Q16-OpenMP-arm64 14.14.0`\n- `Magick.NET-Q16-OpenMP-x64 14.14.0`\n- `Magick.NET-Q16-arm64 14.14.0`\n- `Magick.NET-Q16-x64 14.14.0`\n- `Magick.NET-Q16-x86 14.14.0`\n- `Magick.NET-Q8-AnyCPU 14.14.0`\n- `Magick.NET-Q8-OpenMP-arm64 14.14.0`\n- `Magick.NET-Q8-OpenMP-x64 14.14.0`\n- `Magick.NET-Q8-arm64 14.14.0`\n- `Magick.NET-Q8-x64 14.14.0`\n- `Magick.NET-Q8-x86 14.14.0`","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}