{"id":"CVE-2019-14243","details":"headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.0.2 for Caddy, allows remote attackers to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 request with truncated source/destination address data.","aliases":["GHSA-85c5-ccm8-vr96","GO-2023-1923"],"modified":"2026-08-18T13:10:59.825892Z","published":"2019-07-23T22:15:11.643Z","references":[{"type":"ADVISORY","url":"https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"},{"type":"ADVISORY","url":"https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"},{"type":"ADVISORY","url":"https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"},{"type":"REPORT","url":"https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"},{"type":"FIX","url":"https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"},{"type":"EVIDENCE","url":"https://github.com/mastercactapus/proxyprotocol/issues/1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mastercactapus/caddy-proxyprotocol","events":[{"introduced":"0"},{"fixed":"5a97537ed7ef91a97748d298142752911d75a5e1"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.0.2"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:haproxy:proxyprotocol:*:*:*:*:*:caddy:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-14243.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/mastercactapus/proxyprotocol","events":[{"introduced":"0"},{"fixed":"5c4a101121fc3e868026189c7a73f7f19eef90ac"}],"database_specific":{"cpe":"cpe:2.3:a:haproxy:proxyprotocol:*:*:*:*:*:caddy:*:*","extracted_events":[{"introduced":"0"},{"fixed":"0.0.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-14243.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"}]}