{"id":"CVE-2019-19330","details":"The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.","modified":"2026-04-10T04:16:21.618031Z","published":"2019-11-27T16:15:11.720Z","references":[{"type":"WEB","url":"https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=146f53ae7e97dbfe496d0445c2802dd0a30b0878"},{"type":"WEB","url":"https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=54f53ef7ce4102be596130b44c768d1818570344"},{"type":"WEB","url":"https://git.haproxy.org/?p=haproxy-2.0.git%3Ba=commit%3Bh=ac198b92d461515551b95daae20954b3053ce87e"},{"type":"ADVISORY","url":"https://seclists.org/bugtraq/2019/Nov/45"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202004-01"},{"type":"ADVISORY","url":"https://tools.ietf.org/html/rfc7540#section-10.3"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4212-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2019/dsa-4577"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.haproxy.org/haproxy-2.0.git","events":[{"introduced":"0"},{"fixed":"ac198b92d461515551b95daae20954b3053ce87e"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.0.10"}]}}],"versions":["v1.0.0","v1.0.1","v1.0.2","v1.1.0","v1.1.1","v1.1.10","v1.1.11","v1.1.12","v1.1.13","v1.1.14","v1.1.15","v1.1.16","v1.1.17","v1.1.18","v1.1.19","v1.1.2","v1.1.20","v1.1.21","v1.1.22","v1.1.23","v1.1.24","v1.1.25","v1.1.26","v1.1.27","v1.1.3","v1.1.4","v1.1.5","v1.1.6","v1.1.7","v1.1.8","v1.1.9","v1.2.0","v1.2.1","v1.2.1-pre1","v1.2.1-pre2","v1.2.1-pre3","v1.2.10","v1.2.10.1","v1.2.11","v1.2.11.1","v1.2.12","v1.2.13","v1.2.13.1","v1.2.14","v1.2.2","v1.2.3","v1.2.4","v1.2.5","v1.2.5-pre1","v1.2.5-pre2","v1.2.5-pre3","v1.2.5-pre4","v1.2.5.1","v1.2.5.2","v1.2.6","v1.2.6-pre4","v1.2.6-pre5","v1.2.7","v1.2.7.1","v1.2.7rc","v1.2.8","v1.2.9","v1.3.0","v1.3.1","v1.3.10","v1.3.10.1","v1.3.10.2","v1.3.11","v1.3.11.1","v1.3.11.2","v1.3.11.3","v1.3.11.4","v1.3.12","v1.3.13","v1.3.14","v1.3.15","v1.3.16","v1.3.16-rc1","v1.3.16-rc2","v1.3.17","v1.3.18","v1.3.2","v1.3.3","v1.3.4","v1.3.5","v1.3.6","v1.3.6.1","v1.3.7","v1.3.8","v1.3.8.1","v1.3.8.2","v1.3.9","v1.4-dev0","v1.4-dev1","v1.4-dev2","v1.4-dev3","v1.4-dev4","v1.4-dev5","v1.4-dev6","v1.4-dev7","v1.4-dev8","v1.4-rc1","v1.4.0","v1.4.1","v1.4.2","v1.4.3","v1.4.4","v1.4.5","v1.4.6","v1.5-dev10","v1.5-dev12","v1.5-dev13","v1.5-dev14","v1.5-dev15","v1.5-dev16","v1.5-dev17","v1.5-dev18","v1.5-dev19","v1.5-dev20","v1.5-dev21","v1.5-dev22","v1.5-dev23","v1.5-dev24","v1.5-dev25","v1.5-dev26","v1.5-dev8","v1.5-dev9","v1.5.0","v1.6-dev0","v1.6-dev1","v1.6-dev2","v1.6-dev3","v1.6-dev4","v1.6-dev5","v1.6-dev6","v1.6-dev7","v1.6.0","v1.7-dev0","v1.7-dev1","v1.7-dev2","v1.7-dev3","v1.7-dev4","v1.7-dev5","v1.7-dev6","v1.7.0","v1.8-dev0","v1.8-dev1","v1.8-dev2","v1.8-dev3","v1.8-rc1","v1.8-rc2","v1.8-rc3","v1.8-rc4","v1.8.0","v1.9-dev0","v1.9-dev1","v1.9-dev10","v1.9-dev11","v1.9-dev2","v1.9-dev3","v1.9-dev4","v1.9-dev5","v1.9-dev6","v1.9-dev7","v1.9-dev8","v1.9-dev9","v1.9.0","v2.0-dev0","v2.0-dev1","v2.0-dev2","v2.0-dev3","v2.0-dev4","v2.0-dev5","v2.0-dev6","v2.0-dev7","v2.0.0","v2.0.1","v2.0.2","v2.0.3","v2.0.4","v2.0.5","v2.0.6","v2.0.7","v2.0.8","v2.0.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19330.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.10"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}