OSV-2021-495

    Dashboard / Vulnerabilities / OSV-2021-495

    OSV-2021-495

    Published: 6 Mar 2021Last Modified: 13 Apr 2022

    Summary: Heap-double-free in bit_chain_free

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724 ``` Crash type: Heap-double-free Crash state: bit_chain_free dwg_encode_MTEXT dwg_encode_add_object ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31724

    Affected packages

    Package

    Name: libredwg

    Purl: pkg:generic/libredwg

    Affected ranges

    Type: GIT

    Events:

    Introduced- 749923e4dfaf9b32e13282325decd78595a60c95
    Fixed -9b6e0ff9ef02818df034fc42c3bd149a5ff89342

    Affected versions

    0.12.3.4163
    0.12.3.4165
    0.12.3.4167
    0.12.3.4173
    0.12.3.4176
    0.12.3.4178
    0.12.3.4180
    0.12.3.4185
    0.12.3.4189
    0.12.3.4191

    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
    OSV-2021-495 | CVE-DB