{"id":"BIT-haproxy-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":["CVE-2024-45506"],"modified":"2026-09-08T08:47:52.052811372Z","published":"2025-09-11T08:41:13.898Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*"]},"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://nvd.nist.gov/vuln/detail/CVE-2024-45506"},{"type":"WEB","url":"https://www.haproxy.org/"},{"type":"ARTICLE","url":"https://www.haproxy.org/download/3.1/src/CHANGELOG"},{"type":"ARTICLE","url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html"},{"type":"ARTICLE","url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html"}],"affected":[{"package":{"name":"haproxy","ecosystem":"Bitnami","purl":"pkg:bitnami/haproxy"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.9.0"},{"fixed":"2.9.10"},{"introduced":"3.0.0"},{"fixed":"3.0.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/haproxy/BIT-haproxy-2024-45506.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}