{"action":"Upgrade github.com/pires/go-proxyproto to 0.5.0 or later.","affected":[{"fixed":"0.5.0","introduced":"0"}],"component":"github.com/pires/go-proxyproto","cve_ids":["CVE-2021-23351"],"ecosystem":"Go","epss":0.01871,"exploited":false,"fixed_versions":["0.5.0"],"ghsa_id":"GHSA-fqh4-rh59-xhvf","id":"tcs_01M5KF9PCQADHXMAQVNGJCK316","modified_at":"2026-07-08T06:49:45.606596500Z","published_at":"2021-05-18T21:07:43Z","references":["https://osv.dev/vulnerability/GHSA-fqh4-rh59-xhvf","https://nvd.nist.gov/vuln/detail/CVE-2021-23351","https://github.com/pires/go-proxyproto/issues/69","https://github.com/pires/go-proxyproto/pull/71","https://github.com/pires/go-proxyproto/commit/7f48261db810703d173f27f3309a808cc2b49b8b","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4BNVGJMVI3ZTZ675EFPUHPGXCKCGSX46","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/C36IBVOZXRTWM7MGTRUTOM56P5RR74VU","https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1081577"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"GHSA-fqh4-rh59-xhvf","url":"https://osv.dev/vulnerability/GHSA-fqh4-rh59-xhvf"}],"summary":"github.com/pires/go-proxyproto denial of service vulnerability"}