{"id":"CVE-2024-45506","details":"HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.","aliases":["BIT-haproxy-2024-45506"],"modified":"2026-04-10T05:16:53.516767Z","published":"2024-09-04T15:15:14.080Z","related":["CGA-vmg3-3wqg-5297","openSUSE-SU-2024:14307-1"],"references":[{"type":"WEB","url":"http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c"},{"type":"WEB","url":"http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f"},{"type":"WEB","url":"https://www.haproxy.org/"},{"type":"ADVISORY","url":"https://www.haproxy.org/download/3.1/src/CHANGELOG"},{"type":"ADVISORY","url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html"},{"type":"ADVISORY","url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/haproxy/haproxy","events":[{"introduced":"fddb8c13b6811b3b34eba0ad58d1f5fd5a3c7f60"},{"fixed":"db09cd6ad4655a72326e8a52a7c014781292986b"},{"introduced":"5590ada4731a1f75004675680b4bdca61fa4c507"},{"fixed":"dec017575d3a18c92e0d112bc8b92e1c557a10b8"},{"introduced":"0"},{"last_affected":"f2b97918e80b2f4df1da751a44fe6e323c6e4b9e"},{"introduced":"0"},{"last_affected":"dc1bca4e9f3dde1da2fcc57b2aaf7fc130fd1f87"},{"introduced":"0"},{"last_affected":"bbc2f043e3209ba0956893a087ecd3ff08b6acd3"},{"introduced":"0"},{"last_affected":"a4bc71a1a3530586a17e3849271bfadb1c636c86"},{"introduced":"0"},{"last_affected":"7eca16921b460819652d450050ce640b77f1adc7"},{"introduced":"0"},{"last_affected":"8427c5b5421a93ee29170fb6ca3093478acd7ab7"}],"database_specific":{"versions":[{"introduced":"2.9.0"},{"fixed":"2.9.10"},{"introduced":"3.0.0"},{"fixed":"3.0.4"},{"introduced":"0"},{"last_affected":"3.1-dev0"},{"introduced":"0"},{"last_affected":"3.1-dev1"},{"introduced":"0"},{"last_affected":"3.1-dev2"},{"introduced":"0"},{"last_affected":"3.1-dev3"},{"introduced":"0"},{"last_affected":"3.1-dev4"},{"introduced":"0"},{"last_affected":"3.1-dev5"}]}}],"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","v2.1-dev0","v2.1-dev1","v2.1-dev2","v2.1-dev3","v2.1-dev4","v2.1-dev5","v2.1.0","v2.2-dev0","v2.2-dev1","v2.2-dev10","v2.2-dev11","v2.2-dev12","v2.2-dev2","v2.2-dev3","v2.2-dev4","v2.2-dev5","v2.2-dev6","v2.2-dev7","v2.2-dev8","v2.2-dev9","v2.2.0","v2.3-dev0","v2.3-dev1","v2.3-dev2","v2.3-dev3","v2.3-dev4","v2.3-dev5","v2.3-dev6","v2.3-dev7","v2.3-dev8","v2.3-dev9","v2.3.0","v2.4-dev0","v2.4-dev1","v2.4-dev10","v2.4-dev11","v2.4-dev12","v2.4-dev13","v2.4-dev14","v2.4-dev15","v2.4-dev16","v2.4-dev17","v2.4-dev18","v2.4-dev19","v2.4-dev2","v2.4-dev3","v2.4-dev4","v2.4-dev5","v2.4-dev6","v2.4-dev7","v2.4-dev8","v2.4-dev9","v2.4.0","v2.5-dev0","v2.5-dev1","v2.5-dev10","v2.5-dev11","v2.5-dev12","v2.5-dev13","v2.5-dev14","v2.5-dev15","v2.5-dev2","v2.5-dev3","v2.5-dev4","v2.5-dev5","v2.5-dev6","v2.5-dev7","v2.5-dev8","v2.5-dev9","v2.5.0","v2.6-dev0","v2.6-dev1","v2.6-dev10","v2.6-dev11","v2.6-dev12","v2.6-dev2","v2.6-dev3","v2.6-dev4","v2.6-dev5","v2.6-dev6","v2.6-dev7","v2.6-dev8","v2.6-dev9","v2.6.0","v2.7-dev0","v2.7-dev1","v2.7-dev10","v2.7-dev2","v2.7-dev3","v2.7-dev4"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