{"id":"AZL-27912","summary":"CVE-2023-40225 affecting package haproxy for versions less than 2.4.24-1","details":"HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.","modified":"2026-04-01T05:10:36.045501Z","published":"2023-08-10T21:15:10Z","upstream":["CVE-2023-40225"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40225"}],"affected":[{"package":{"name":"haproxy","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/haproxy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.24-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-27912.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"}]}