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    CVE-2020-29367

    blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.

    Published:Nov 18, 2020
    Last Modified:Apr 25, 2025
    EPS:Nov 27, 2020
    EPSS Score:0.00129
    CVSS Score:7.8

    Affected Products

    Vendor
    Blosc
    Product
    C-blosc2

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2024-3204 (CVSS 7.3) — A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerabi…
    CVE-2024-3203 (CVSS 7.3) — A vulnerability, which was classified as critical, was found in c-blosc2 up to 2.13.2. Affected is the functio…
    CVE-2023-37186 (CVSS 7.5) — C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference in ndlz/ndlz8x8.c via a NULL pointe…
    CVE-2023-37188 (CVSS 7.5) — C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the function zfp_rate_decompres…
    CVE-2023-37187 (CVSS 7.5) — C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the zfp/blosc2-zfp.c zfp_acc_de…
    CVE-2023-37185 (CVSS 7.5) — C-blosc2 before 2.9.3 was discovered to contain a NULL pointer dereference via the function zfp_prec_decompres…

    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