GHSA-hwfp-hg2m-9vr2

    Dashboard / Vulnerabilities / GHSA-hwfp-hg2m-9vr2

    GHSA-hwfp-hg2m-9vr2

    Published: 9 Aug 2021Last Modified: 27 Mar 2025

    Summary: Integer overflow in pywin32

    Details: An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-32559, https://github.com/mhammond/pywin32/issues/1700, https://github.com/mhammond/pywin32/pull/1701, https://github.com/advisories/GHSA-hwfp-hg2m-9vr2, https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0017/FEYE-2021-0017.md, https://github.com/mhammond/pywin32, https://github.com/mhammond/pywin32/releases, https://github.com/pypa/advisory-database/tree/main/vulns/pywin32/PYSEC-2021-112.yaml

    Affected packages

    Package

    Name: pywin32

    Purl: pkg:pypi/pywin32

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -301

    Affected versions

    210

    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
    GHSA-hwfp-hg2m-9vr2 | CVE-DB