{"id":"CVE-2026-55597","aliases":["GHSA-c4v7-w88g-m6c4"],"url":"https://o3.security/vulnerability/CVE-2026-55597","summary":"ImageMagick: Heap Buffer Over-Write in JP2 encoder when due to incorrect handling of arguments","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-26, an incorrect handling of arguments can cause a heap buffer over-write in the JP2 encoder. This issue has been fixed in version7.1.2-26.","published":"2026-07-01T19:03:29.911Z","modified":"2026-08-12T03:51:40.493285775Z","cvss":{"score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"epss":{"score":0.00148,"percentile":0.04312,"asOf":"2026-09-06"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Magick.NET-Q16-AnyCPU","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-AnyCPU","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-arm64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x86","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-arm64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-x64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-arm64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x86","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-AnyCPU","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-arm64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-x64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-arm64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x64","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x86","fixedVersion":"14.15.0"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-arm64","fixedVersion":"14.15.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55597.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55597"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:40.493285775Z"}}