GO-2025-4006

    Dashboard / Vulnerabilities / GO-2025-4006

    GO-2025-4006

    Published: 29 Oct 2025Last Modified: 15 May 2026

    Summary: Excessive CPU consumption in ParseAddress in net/mail

    Details: The ParseAddress function constructs domain-literal address components through repeated string concatenation. When parsing large domain-literal components, this can cause excessive CPU consumption.

    References: https://go.dev/cl/709860, https://go.dev/issue/75680, https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI

    Affected packages

    Package

    Name: stdlib

    Purl: pkg:golang/stdlib

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.24.8

    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