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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

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.

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Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2025-15647

Published

CDT before 1.4.5 Out-of-Bounds Read via opposedVertexInd

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.

Source published
5 Sep 2026 11:37:59 UTC
Source modified
24 Sep 2026 14:17:16 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

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

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 6.8 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

CVSS 3.1 · 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

ChangeIntel

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Sources read 12 Nov 14:22 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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