GO-2026-4971

    Dashboard / Vulnerabilities / GO-2026-4971

    GO-2026-4971

    Published: 7 May 2026Last Modified: 26 Aug 2026

    Summary: Panic in Dial and LookupPort when handling NUL byte on Windows in net

    Details: The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).

    References: https://go.dev/issue/79006, https://groups.google.com/g/golang-announce/c/qcCIEXso47M, https://go.dev/cl/775320

    Affected packages

    Package

    Name: stdlib

    Purl: pkg:golang/stdlib

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.25.10

    Affected versions

    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