{"id":"CVE-2026-34238","aliases":["GHSA-26qp-ffjh-2x4v"],"url":"https://o3.security/vulnerability/CVE-2026-34238","summary":"ImageMagick: Integer overflow in despeckle operation causes heap buffer overflow on 32-bit builds","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, an integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.","published":"2026-04-13T21:14:07.180Z","modified":"2026-08-07T21:14:26.420748Z","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":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-x86","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-x86","fixedVersion":"14.12.0"}],"fix":{"url":"https://github.com/ImageMagick/ImageMagick/commit/bcd8519c70ecd9ebbc180920f2cf97b267d1f440","label":"ImageMagick/ImageMagick@bcd8519"},"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/2026/34xxx/CVE-2026-34238.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-26qp-ffjh-2x4v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34238"},{"type":"FIX","url":"https://github.com/ImageMagick/ImageMagick/commit/bcd8519c70ecd9ebbc180920f2cf97b267d1f440"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T21:14:26.420748Z"}}