{"id":"CVE-2026-61866","aliases":["GHSA-99w9-hv66-rfv7"],"url":"https://o3.security/vulnerability/CVE-2026-61866","summary":"ImageMagick before 7.1.2-26 Memory Leak in JNG encoder","details":"ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion.","published":"2026-07-15T11:25:51.999Z","modified":"2026-08-12T03:51:26.667166265Z","cvss":null,"epss":{"score":0.00187,"percentile":0.08345,"asOf":"2026-08-24"},"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/2026/61xxx/CVE-2026-61866.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-99w9-hv66-rfv7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61866"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/imagemagick-before-26-memory-leak-in-jng-encoder"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:26.667166265Z"}}