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    CVE-2020-12135

    bson before 0.8 incorrectly uses int rather than size_t for many variables, parameters, and return values. In particular, the bson_ensure_space() parameter bytesNeeded could have an integer overflow via properly constructed bson input.

    Published:Apr 13, 2020
    Last Modified:Nov 21, 2024
    EPS:Apr 24, 2020
    EPSS Score:0.00349
    CVSS Score:5.5

    Affected Products

    Vendor
    Mongodb
    Product
    C Driver
    Vendor
    Whoopsie Project
    Product
    Whoopsie

    Exploits

    https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560https://bugs.launchpad.net/ubuntu/+source/whoopsie/+bug/1872560

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2026-84969 (CVSS 6.3) — A memory-handling error in the BSON-to-JSON conversion helpers of the MongoDB C Driver can write a small numbe…
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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