OSV-2021-510

    Dashboard / Vulnerabilities / OSV-2021-510

    OSV-2021-510

    Published: 11 Mar 2021Last Modified: 18 Sept 2026

    Summary: Heap-use-after-free in grk_object_unref

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31874 ``` Crash type: Heap-use-after-free READ 8 Crash state: grk_object_unref grk::GrkObjectImpl<grk::GrkImage>::release grk::GrkObject::unref ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31874

    Affected packages

    Package

    Name: grok

    Purl: pkg:generic/grok

    Affected ranges

    Type: GIT

    Events:

    Introduced- 2cd6d952e040bb439ec53c53c0933d66908b6a91
    Fixed -None

    Affected versions

    v8.0.0
    v8.0.1
    v8.0.2
    v8.0.3

    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-2021-510 | CVE-DB