{"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":"2026-09-19T11:30:38.918559108Z","published":"2024-09-04T00:00:00Z","related":["openSUSE-SU-2024:14307-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"2.9.x"},{"fixed":"2.9.10"},{"introduced":"3.0.x"},{"fixed":"3.0.4"},{"introduced":"3.1.x"},{"fixed":"3.1-dev6"}],"source":"DESCRIPTION"}],"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45506.json"},"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":"WEB","url":"https://www.haproxy.org/download/3.1/src/CHANGELOG"},{"type":"WEB","url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html"},{"type":"WEB","url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45506.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-45506"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/haproxy/haproxy","events":[{"introduced":"fddb8c13b6811b3b34eba0ad58d1f5fd5a3c7f60"},{"fixed":"db09cd6ad4655a72326e8a52a7c014781292986b"},{"introduced":"5590ada4731a1f75004675680b4bdca61fa4c507"},{"fixed":"dec017575d3a18c92e0d112bc8b92e1c557a10b8"},{"introduced":"f2b97918e80b2f4df1da751a44fe6e323c6e4b9e"},{"last_affected":"8427c5b5421a93ee29170fb6ca3093478acd7ab7"}],"database_specific":{"cpe":["cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:3.1:dev0:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:3.1:dev1:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:3.1:dev2:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:3.1:dev3:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:3.1:dev4:*:*:*:*:*:*","cpe:2.3:a:haproxy:haproxy:3.1:dev5:*:*:*:*:*:*"],"extracted_events":[{"introduced":"2.9.0"},{"fixed":"2.9.10"},{"introduced":"3.0.0"},{"fixed":"3.0.4"},{"introduced":"3.1-dev0"},{"last_affected":"3.1-dev0"},{"introduced":"3.1-dev1"},{"last_affected":"3.1-dev1"},{"introduced":"3.1-dev2"},{"last_affected":"3.1-dev2"},{"introduced":"3.1-dev3"},{"last_affected":"3.1-dev3"},{"introduced":"3.1-dev4"},{"last_affected":"3.1-dev4"},{"introduced":"3.1-dev5"},{"last_affected":"3.1-dev5"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["3.1-dev0","3.1-dev1","3.1-dev2","3.1-dev3","3.1-dev4","3.1-dev5","v3.1-dev5","v3.1-dev4","v3.1-dev3","v3.1-dev2","v3.1-dev1","v3.1-dev0","v3.0.0","v3.0-dev3","v3.0-dev2","v3.0-dev1","v3.0-dev0","v2.9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-45506.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"}]}