OSV-2021-526

    Dashboard / Vulnerabilities / OSV-2021-526

    OSV-2021-526

    Published: 16 Mar 2021Last Modified: 13 Apr 2022

    Summary: Heap-use-after-free in ZSTD_freeDDict

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32076 ``` Crash type: Heap-use-after-free READ {*} Crash state: ZSTD_freeDDict blosc2_free_ctx blosc2_schunk_free ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32076

    Affected packages

    Package

    Name: c-blosc2

    Purl: pkg:generic/c-blosc2

    Affected ranges

    Type: GIT

    Events:

    Introduced- 861ba79f31393dec0a0782ca11cf32cebb6f6610
    Fixed -48123a7d2e7409ecd0e74f64a326fa7f2af0627d

    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
    OSV-2021-526 | CVE-DB