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    CVE-2021-27186

    Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_server/api/v1/metrics.c.

    Published:Feb 10, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 10, 2021
    EPSS Score:0.00409
    CVSS Score:7.5

    Affected Products

    Vendor
    Treasuredata
    Product
    Fluent Bit

    Exploits

    https://github.com/fluent/fluent-bit/issues/3044https://github.com/fluent/fluent-bit/pull/3045https://github.com/fluent/fluent-bit/issues/3044https://github.com/fluent/fluent-bit/pull/3045

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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