GHSA-xcf7-q56x-78gh

    Dashboard / Vulnerabilities / GHSA-xcf7-q56x-78gh

    GHSA-xcf7-q56x-78gh

    Published: 26 Jul 2021Last Modified: 10 Sept 2026

    Summary: github.com/pires/go-proxyproto vulnerable to DoS via Connection descriptor exhaustion

    Details: The package `github.com/pires/go-proxyproto` before 0.6.1 is vulnerable to Denial of Service (DoS) via creating connections without the proxy protocol header. While this issue was patched in 0.6.0, the fix introduced additional issues which were subsequently patched in 0.6.1.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-23409, https://github.com/pires/go-proxyproto/issues/65, https://github.com/pires/go-proxyproto/issues/75, https://github.com/pires/go-proxyproto/pull/74, https://github.com/pires/go-proxyproto/pull/74/commits/cdc63867da24fc609b727231f682670d0d1cd346, https://github.com/pires/go-proxyproto/pull/76, https://github.com/pires/go-proxyproto/commit/2e44d7a76a851d66890ab341403253afae5caac2, https://github.com/pires/go-proxyproto, https://github.com/pires/go-proxyproto/releases/tag/v0.6.0, https://github.com/pires/go-proxyproto/releases/tag/v0.6.1, https://pkg.go.dev/vuln/GO-2022-0233, https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1316439

    Affected packages

    Package

    Name: github.com/pires/go-proxyproto

    Purl: pkg:golang/github.com/pires/go-proxyproto

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.6.1

    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
    GHSA-xcf7-q56x-78gh | CVE-DB