CVE-2021-23409

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    CVE-2021-23409

    Published: 21 Jul 2021Last Modified: 9 Jul 2026

    Summary:

    Details: The package github.com/pires/go-proxyproto before 0.6.0 are vulnerable to Denial of Service (DoS) via creating connections without the proxy protocol header.

    References: https://github.com/pires/go-proxyproto/releases/tag/v0.6.0, https://github.com/pires/go-proxyproto/issues/65, https://github.com/pires/go-proxyproto/pull/74, https://github.com/pires/go-proxyproto/pull/74/commits/cdc63867da24fc609b727231f682670d0d1cd346, https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1316439

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3aa7ea95a821cf534fae576651e2ca11f222a4e3

    Affected versions

    v0.5.0

    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
    CVE-2021-23409 | CVE-DB