Out-of-bounds Read in Artem-Ogre Cdt

CVE-2025-15647

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-15647: held from 0.001 to 0.003.

EPSS over last 30 days · oldest: 0.001 · newest: 0.003 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-15647?
CVE-2025-15647 is a medium-severity vulnerability in Artem-Ogre Cdt, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-09-05.
How severe is CVE-2025-15647?
Medium severity. CVSS v3 base score is 5.5 out of 10.