{"id":"CVE-2026-46559","aliases":["GHSA-533m-3wf6-c33v"],"url":"https://o3.security/vulnerability/CVE-2026-46559","summary":"ImageMagick: Heap Buffer Over-Write of a single byte in the JP2 encoder","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, an incorrect check in the JP2 will result in an heap buffer over-write of a single byte when specifying certain options. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.","published":"2026-06-10T21:45:44.437Z","modified":"2026-08-12T03:51:46.506977101Z","cvss":{"score":4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.00116,"percentile":0.01898,"asOf":"2026-08-14"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Magick.NET-Q16-AnyCPU","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-AnyCPU","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-arm64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-x64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-arm64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x86","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-arm64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-x64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-arm64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x86","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-AnyCPU","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-arm64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-x64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-arm64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x64","fixedVersion":"14.13.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x86","fixedVersion":"14.13.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46559.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-533m-3wf6-c33v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46559"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:46.506977101Z"}}