{"id":"CVE-2024-45506","state":"PUBLISHED","title":"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 ","description":"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.","publishedAt":"2024-09-04T00:00:00.000Z","updatedAt":"2025-03-14T19:16:38.990Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.haproxy.org/","https://www.haproxy.org/download/3.1/src/CHANGELOG","https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html","https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html","http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c","http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f"],"weaknesses":["CWE-835"],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/45xxx/CVE-2024-45506.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-45506","state":"PUBLISHED","datePublished":"2024-09-04T00:00:00.000Z","dateUpdated":"2025-03-14T19:16:38.990Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2024-09-01T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.haproxy.org/"},{"url":"https://www.haproxy.org/download/3.1/src/CHANGELOG"},{"url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html"},{"url":"https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html"},{"url":"http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c"},{"url":"http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2024-10-14T03:02:00.687Z"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"haproxy","product":"haproxy","defaultStatus":"unknown","versions":[{"version":"2.9.0","status":"affected","lessThan":"2.9.10","versionType":"custom"},{"version":"3.0.0","status":"affected","lessThan":"3.0.4","versionType":"custom"},{"version":"3.1.0","status":"affected","lessThan":"3.1-dev6","versionType":"custom"}],"cpes":["cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-09-04T16:05:40.631435Z","id":"CVE-2024-45506","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-835","type":"CWE","lang":"en","description":"CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-14T19:16:38.990Z"}}]}}}