GO-2026-5028

    Dashboard / Vulnerabilities / GO-2026-5028

    GO-2026-5028

    Published: 22 May 2026Last Modified: 1 Jul 2026

    Summary: Invoking denial of service when parsing arbitrary HTML in golang.org/x/net/html

    Details: Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

    References: https://go.dev/cl/781702, https://go.dev/issue/79573, https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8

    Affected packages

    Package

    Name: golang.org/x/net

    Purl: pkg:golang/golang.org/x/net

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.55.0

    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