GO-2023-1571

    Dashboard / Vulnerabilities / GO-2023-1571

    GO-2023-1571

    Published: 16 Feb 2023Last Modified: 4 Feb 2026

    Summary: Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net

    Details: A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests.

    References: https://go.dev/issue/57855, https://go.dev/cl/468135, https://go.dev/cl/468295, https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E

    Affected packages

    Package

    Name: stdlib

    Purl: pkg:golang/stdlib

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.19.6

    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
    GO-2023-1571 | CVE-DB