OSV-2021-652

    Dashboard / Vulnerabilities / OSV-2021-652

    OSV-2021-652

    Published: 18 Apr 2021Last Modified: 4 Feb 2023

    Summary: Heap-use-after-free in ZSTD_freeDDict

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324 ``` Crash type: Heap-use-after-free READ 4 Crash state: ZSTD_freeDDict blosc2_free_ctx blosc2_schunk_free ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33324

    Affected packages

    Package

    Name: c-blosc2

    Purl: pkg:generic/c-blosc2

    Affected ranges

    Type: GIT

    Events:

    Introduced- 861ba79f31393dec0a0782ca11cf32cebb6f6610
    Fixed -7f4574f51ad7db56fc13de89e13e7893b1a82189

    Affected versions

    v2.0.0
    v2.0.0-rc2
    v2.0.0.rc1
    v2.0.1
    v2.0.2
    v2.0.3
    v2.0.4

    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-2021-652 | CVE-DB