CVE-2021-43391

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    CVE-2021-43391

    Published: 14 Nov 2021Last Modified: 10 Mar 2026

    Summary:

    Details: An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

    References: https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf, , https://www.opendesign.com/security-advisories, https://www.zerodayinitiative.com/advisories/ZDI-21-1352/, https://www.zerodayinitiative.com/advisories/ZDI-21-1361/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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-2021-43391 | CVE-DB