Medium severity5.5OSV Advisory· Published Sep 5, 2026· Updated Oct 19, 2026
CVE-2025-15647
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
21.4.4, 1.4.3, 1.4.2, …+ 1 more
- (no CPE)range: 1.4.4, 1.4.3, 1.4.2, …
- (no CPE)range: <1.4.5
Patches
Vulnerability mechanics
References
5- github.com/artem-ogre/CDT/blob/1.4.4/CDT/include/CDTUtils.hppnvd
- github.com/artem-ogre/CDT/commit/bf0d11ebfe3da0da72aed91816f665aef1b447ccnvd
- github.com/artem-ogre/CDT/issues/212nvd
- github.com/artem-ogre/CDT/releases/tag/1.4.5nvd
- www.vulncheck.com/advisories/cdt-before-1.4.5-out-of-bounds-read-via-opposedvertexindnvd
News mentions
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