{"action":"Upgrade golang-github-pires-go-proxyproto to 0.4.2-2 or later.","affected":[{"fixed":"0.4.2-2","introduced":"0"}],"component":"golang-github-pires-go-proxyproto","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["0.4.2-2"],"id":"tcs_01M5NFEXH9AAZB54P1BHDP1M0T","modified_at":"2026-10-23T18:04:49.861131661Z","published_at":"2021-07-21T07:15:07.547Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-23409","https://security-tracker.debian.org/tracker/CVE-2021-23409"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-23409","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-23409"}],"summary":"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."}