{"id":"CVE-2026-40169","aliases":["GHSA-5592-p365-24xh"],"url":"https://o3.security/vulnerability/CVE-2026-40169","summary":"ImageMagick: Heap buffer overflow (WRITE) in the YAML and JSON encoders","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, a crafted image could result in an out of bounds heap write when writing a yaml or json output, resulting in a crash. This issue has been fixed in version 7.1.2-19.","published":"2026-04-13T21:25:56.317Z","modified":"2026-08-12T16:24:03.017783Z","cvss":{"score":6.2,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"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-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":{"url":"https://github.com/ImageMagick/ImageMagick/commit/f86452a8aea37bf2b4bd36127f836dcc5f138b38","label":"ImageMagick/ImageMagick@f86452a"},"references":[{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40169.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-5592-p365-24xh"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40169"},{"type":"FIX","url":"https://github.com/ImageMagick/ImageMagick/commit/f86452a8aea37bf2b4bd36127f836dcc5f138b38"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T16:24:03.017783Z"}}