UBUNTU-CVE-2020-35636

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    UBUNTU-CVE-2020-35636

    Published: 4 Mar 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-35636

    Summary:

    Details: A code execution vulnerability exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1 in Nef_S2/SNC_io_parser.h SNC_io_parser::read_sface() sfh->volume() OOB read. A specially crafted malformed file can lead to an out-of-bounds read and type confusion, which could lead to code execution. An attacker can provide malicious input to trigger this vulnerability.

    References: https://ubuntu.com/security/CVE-2020-35636, https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225, https://github.com/CGAL/cgal/issues/5345, https://github.com/CGAL/cgal/pull/5371, https://github.com/CGAL/cgal/issues/5514, https://www.cve.org/CVERecord?id=CVE-2020-35636

    Affected packages

    Package

    Name: cgal

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.2-4ubuntu1

    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
    UBUNTU-CVE-2020-35636 | CVE-DB