GHSA-5cv4-jp36-h3mw

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    GHSA-5cv4-jp36-h3mw

    Published: 26 May 2026Last Modified: 10 Sept 2026

    Summary: Go Net HTML parser is vulnerable to denial of service

    Details: In Go Net (`golang.org/x/net`) before verion 0.55.0, parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service.

    References: https://nvd.nist.gov/vuln/detail/CVE-2026-25680, https://go.dev/cl/781702, https://go.dev/issue/79573, https://go.googlesource.com/net/+/08be507abce89191d78cd49da60f4501fc910472, https://go.googlesource.com/net/+/refs/tags/v0.55.0, https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8, https://pkg.go.dev/vuln/GO-2026-5028, cs.opensource.google/go/x/net

    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