{"id":"CVE-2026-62946","aliases":["GHSA-h22j-f9xw-xjjm"],"url":"https://o3.security/vulnerability/CVE-2026-62946","summary":"ImageMagick: Integer Overflow in JNX decoder causes heap buffer over-write when processing extremly large files on 32-bit builds","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to both 6.9.13-52 and 7.1.2-27, processing an extremely large JNX file on 32-bit platforms can cause an integer overflow, leading to a heap buffer over-write. This issue has been fixed in versions 6.9.13-52 and 7.1.2-27.","published":"2026-07-30T00:06:16.176Z","modified":"2026-10-24T10:51:16.493620015Z","cvss":{"score":5.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.0009,"percentile":0.00503,"asOf":"2026-09-15"},"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-x86","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-x86","fixedVersion":"14.15.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62946.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h22j-f9xw-xjjm"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62946"},{"type":"PACKAGE","url":"https://github.com/ImageMagick/ImageMagick"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.15.0"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:51:16.493620015Z"}}