vulnerability
Ubuntu: (CVE-2021-23409): golang-github-pires-go-proxyproto vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Jul 21, 2021 | Jun 26, 2025 | Mar 27, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jul 21, 2021
Added
Jun 26, 2025
Modified
Mar 27, 2026
Description
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.
Solution
no-fix-ubuntu-package
References
- CVE-2021-23409
- https://attackerkb.com/topics/CVE-2021-23409
- EUVD-EUVD-2021-1500
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-1500
- 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://github.com/pires/go-proxyproto/releases/tag/v0.6.0
- https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1316439
- https://www.cve.org/CVERecord?id=CVE-2021-23409
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