{"id":"CVE-2025-15647","aliases":["EUVD-2025-210858","GHSA-gg9p-3jmx-h6rw"],"status":"published","title":"CDT before 1.4.5 Out-of-Bounds Read via opposedVertexInd","description":"CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function when constraint edge intersections are computed in floating point and round outside adjacent triangles. Attackers can supply nearly-degenerate constraint edges through geometry data to trigger an out-of-bounds array access that crashes the calling process.","severity":{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00172,"percentile":0.06684,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-09-05T11:37:59Z","modified":"2026-10-28T10:45:09Z","products":[{"vendor":"artem-ogre","product":"cdt"}],"references":[{"url":"https://github.com/artem-ogre/CDT/issues/212","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/artem-ogre/CDT/commit/bf0d11ebfe3da0da72aed91816f665aef1b447cc","tags":["patch","fix"]},{"url":"https://github.com/artem-ogre/CDT/blob/1.4.4/CDT/include/CDTUtils.hpp#L175","tags":["technical-description","article"]},{"url":"https://github.com/artem-ogre/CDT/releases/tag/1.4.5","tags":["release-notes","advisory"]},{"url":"https://github.com/artem-ogre/CDT","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/cdt-before-1.4.5-out-of-bounds-read-via-opposedvertexind","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15647","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gg9p-3jmx-h6rw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15647.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-15647","title":"CDT before 1.4.5 Out-of-Bounds Read via opposedVertexInd","description":"CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function when constraint edge intersections are computed in floating point and round outside adjacent triangles. Attackers can supply nearly-degenerate constraint edges through geometry data to trigger an out-of-bounds array access that crashes the calling process.","status":"published","published":"2026-09-05T11:37:59.945Z","modified":"2026-09-24T14:17:16.476Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:32:37.351404Z"}],"euvd":[{"id":"EUVD-2025-210858","description":"CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function when constraint edge intersections are computed in floating point and round outside adjacent triangles. Attackers can supply nearly-degenerate constraint edges through geometry data to trigger an out-of-bounds array access that crashes the calling process.","status":"published","published":"2026-09-05T11:37:59Z","modified":"2026-09-24T14:17:16Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:58.186745Z"}],"ghsa":[{"id":"GHSA-gg9p-3jmx-h6rw","title":"CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function...","description":"CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function when constraint edge intersections are computed in floating point and round outside adjacent triangles. Attackers can supply nearly-degenerate constraint edges through geometry data to trigger an out-of-bounds array access that crashes the calling process.","status":"published","published":"2026-09-05T12:31:28Z","modified":"2026-09-05T12:31:34Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:11:24.999449Z"}],"nvd":[{"id":"CVE-2025-15647","description":"CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function when constraint edge intersections are computed in floating point and round outside adjacent triangles. Attackers can supply nearly-degenerate constraint edges through geometry data to trigger an out-of-bounds array access that crashes the calling process.","status":"published","published":"2026-09-05T12:16:46.49Z","modified":"2026-10-19T22:10:00.13Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:03.20248Z"}],"osv":[{"id":"CVE-2025-15647","title":"CDT before 1.4.5 Out-of-Bounds Read via opposedVertexInd","description":"CDT before 1.4.5 contains an out-of-bounds read vulnerability in the opposedVertexInd() function when constraint edge intersections are computed in floating point and round outside adjacent triangles. Attackers can supply nearly-degenerate constraint edges through geometry data to trigger an out-of-bounds array access that crashes the calling process.","status":"published","published":"2026-09-05T11:37:59.945Z","modified":"2026-10-28T10:45:09.14533896Z","cvss":[{"version":"4.0","score":6.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:46.340268Z"}]}}