{"id":"CVE-2025-55212","aliases":["GHSA-fh55-q5pj-pxgw"],"url":"https://o3.security/vulnerability/CVE-2025-55212","summary":"ImageMagick affected by divide-by-zero in ThumbnailImage via montage -geometry \":\" leads to crash","details":"ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-28 and 7.1.2-2, passing a geometry string containing only a colon (\":\") to montage -geometry leads GetGeometry() to set width/height to 0. Later, ThumbnailImage() divides by these zero dimensions, triggering a crash (SIGFPE/abort), resulting in a denial of service. This issue has been patched in versions 6.9.13-28 and 7.1.2-2.","published":"2025-08-26T16:43:15.189Z","modified":"2026-08-08T09:04:54.214059Z","cvss":{"score":3.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Magick.NET-Q16-AnyCPU","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-AnyCPU","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-arm64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-OpenMP-x64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-arm64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-HDRI-x86","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-arm64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-OpenMP-x64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-arm64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q16-x86","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-AnyCPU","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-arm64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-OpenMP-x64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-arm64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x64","fixedVersion":"14.8.1"},{"ecosystem":"NuGet","name":"Magick.NET-Q8-x86","fixedVersion":"14.8.1"}],"fix":{"url":"https://github.com/ImageMagick/ImageMagick/commit/5f0bcf986b8b5e90567750d31a37af502b73f2af","label":"ImageMagick/ImageMagick@5f0bcf9"},"references":[{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/blob/0ba1b587be17543b664f7ad538e9e51e0da59d17/MagickCore/geometry.c#L355"},{"type":"WEB","url":"https://github.com/ImageMagick/ImageMagick/blob/0ba1b587be17543b664f7ad538e9e51e0da59d17/MagickCore/resize.c#L4625-L4629"},{"type":"WEB","url":"https://github.com/dlemstra/Magick.NET/releases/tag/14.8.1"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/09/msg00012.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55212.json"},{"type":"ADVISORY","url":"https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-fh55-q5pj-pxgw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55212"},{"type":"FIX","url":"https://github.com/ImageMagick/ImageMagick/commit/5f0bcf986b8b5e90567750d31a37af502b73f2af"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T09:04:54.214059Z"}}