CVE-2025-15647

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    CVE-2025-15647

    Published: 5 Sept 2026Last Modified: 25 Sept 2026

    Summary: CDT before 1.4.5 Out-of-Bounds Read via opposedVertexInd

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15647.json, https://github.com/artem-ogre/CDT/releases/tag/1.4.5, https://nvd.nist.gov/vuln/detail/CVE-2025-15647, https://www.vulncheck.com/advisories/cdt-before-1.4.5-out-of-bounds-read-via-opposedvertexind, https://github.com/artem-ogre/CDT/issues/212, https://github.com/artem-ogre/CDT/commit/bf0d11ebfe3da0da72aed91816f665aef1b447cc, https://github.com/artem-ogre/CDT, https://github.com/artem-ogre/CDT/blob/1.4.4/CDT/include/CDTUtils.hpp#L175

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -2068d015b9db3c92481e869b0c1f669b96a1d70a

    Affected versions

    1.4.4
    1.4.3
    1.4.2
    1.4.1
    1.4.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2025-15647 | CVE-DB