PYSEC-2019-240

    Dashboard / Vulnerabilities / PYSEC-2019-240

    PYSEC-2019-240

    Published: 11 Sept 2019Last Modified: 10 Jun 2026

    Summary:

    Details: An issue was discovered in py-lmdb 0.97. There is a divide-by-zero error in the function mdb_env_open2 if mdb_env_read_header obtains a zero value for a certain size field. NOTE: this outcome occurs when accessing a data.mdb file supplied by an attacker.

    References: https://github.com/TeamSeri0us/pocs/tree/master/lmdb/FPE, https://pypi.org/project/lmdb, https://nvd.nist.gov/vuln/detail/CVE-2019-16228, https://github.com/advisories/GHSA-ggwq-vrgp-6gv4

    Affected packages

    Package

    Name: lmdb

    Purl: pkg:pypi/lmdb

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.98

    Affected versions

    0.58

    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