PSF-2026-48

    Dashboard / Vulnerabilities / PSF-2026-48

    PSF-2026-48

    Published: 29 Oct 2026Last Modified: 30 Oct 2026

    Summary:

    Details: socket.getaddrinfo() previously accepted null bytes within *host* and *port* parameters which can cause the values to be silently truncated.

    References: https://github.com/python/cpython/pull/160899, https://github.com/python/cpython/issues/160898, https://mail.python.org/archives/list/[email protected]/thread/HCHE62VYTPYI6WOPJQDWUBR4CINBPSM7/, https://github.com/python/cpython/commit/131a3a66c5f400b588f9fd2732a5ed4e89623ee3

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -131a3a66c5f400b588f9fd2732a5ed4e89623ee3

    Affected versions

    v3.16.0a1

    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
    PSF-2026-48 | CVE-DB