{"id":"DEBIAN-CVE-2021-23409","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.","modified":"2026-09-01T20:04:26.365493466Z","published":"2021-07-21T07:15:07.547Z","upstream":["CVE-2021-23409"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-23409"}],"affected":[{"package":{"name":"golang-github-pires-go-proxyproto","ecosystem":"Debian:12","purl":"pkg:deb/debian/golang-github-pires-go-proxyproto?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.2-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-23409.json"}},{"package":{"name":"golang-github-pires-go-proxyproto","ecosystem":"Debian:13","purl":"pkg:deb/debian/golang-github-pires-go-proxyproto?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.2-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-23409.json"}},{"package":{"name":"golang-github-pires-go-proxyproto","ecosystem":"Debian:14","purl":"pkg:deb/debian/golang-github-pires-go-proxyproto?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.2-2"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-23409.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}