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CVE-2025-15647

CDT before 1.4.5 Out-of-Bounds Read via opposedVertexInd

CVSS 4.0 6.8 MEDIUMCVSS 3.1 5.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2025-15647

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2025-15647

Published

CDT

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "artem-ogre",
                    "product": "CDT",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:github/artem-ogre/CDT",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "1.4.5",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON