OSV-2021-1070

    Dashboard / Vulnerabilities / OSV-2021-1070

    OSV-2021-1070

    Published: 29 Jul 2021Last Modified: 19 Sept 2026

    Summary: Heap-buffer-overflow in ZSTD_decompressBlock_internal

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36623 ``` Crash type: Heap-buffer-overflow READ 4 Crash state: ZSTD_decompressBlock_internal ZSTD_decompressMultiFrame ZSTD_decompressDCtx ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36623

    Affected packages

    Package

    Name: c-blosc2

    Purl: pkg:generic/c-blosc2

    Affected ranges

    Type: GIT

    Events:

    Introduced- 861ba79f31393dec0a0782ca11cf32cebb6f6610
    Fixed -None

    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-2021-1070 | CVE-DB