{"id":"CVE-2026-56361","aliases":["GHSA-q8h3-jv9v-57qx"],"url":"https://o3.security/vulnerability/CVE-2026-56361","summary":"ImageMagick - Heap Buffer Overflow via Off-by-One in Morphology Processing","details":"An incorrect morphology would allow an out of bounds read of a single pixel.\n\n```\n==1200284==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x5100000002d0 at pc 0x59e28e60c27a bp 0x7fff047fd8e0 sp 0x7fff047fd8d0\nREAD of size 4 at 0x5100000002d0 thread T0\n```","published":"2026-06-30T22:08:36.159Z","modified":"2026-10-31T02:30:57.149331630Z","cvss":null,"epss":{"score":0.00169,"percentile":0.06632,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Magick.NET-Q16-AnyCPU","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-AnyCPU","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-arm64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-arm64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x86","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-arm64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-x64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-arm64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x86","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-x64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-AnyCPU","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-arm64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-x64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-arm64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x64","fixedVersion":"14.12.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x86","fixedVersion":"14.12.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56361.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-q8h3-jv9v-57qx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56361"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/imagemagick-heap-buffer-overflow-via-off-by-one-in-morphology-processing"},{"type":"PACKAGE","url":"https://github.com/ImageMagick/ImageMagick"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-31T02:30:57.149331630Z"}}