{"id":"USN-6294-2","summary":"haproxy vulnerability","details":"USN-6294-1 fixed vulnerabilities in HAProxy. This update provides the\ncorresponding updates for Ubuntu 20.04 LTS.\n\nOriginal advisory details:\n\n Ben Kallus discovered that HAProxy incorrectly handled empty Content-Length\n headers. A remote attacker could possibly use this issue to manipulate the\n payload and bypass certain restrictions.\n","modified":"2026-02-10T04:43:16Z","published":"2023-08-17T14:53:13Z","related":["UBUNTU-CVE-2023-40225"],"upstream":["CVE-2023-40225","UBUNTU-CVE-2023-40225"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6294-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-40225"}],"affected":[{"package":{"name":"haproxy","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/haproxy@2.0.31-0ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.31-0ubuntu0.2"}]}],"versions":["2.0.5-1","2.0.8-1","2.0.9-1","2.0.10-1","2.0.10-1ubuntu1","2.0.11-1ubuntu1","2.0.12-1ubuntu2","2.0.13-1ubuntu2","2.0.13-2","2.0.13-2ubuntu0.1","2.0.13-2ubuntu0.2","2.0.13-2ubuntu0.3","2.0.13-2ubuntu0.5","2.0.29-0ubuntu1","2.0.29-0ubuntu1.1","2.0.29-0ubuntu1.3","2.0.31-0ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.0.31-0ubuntu0.2","binary_name":"haproxy"},{"binary_version":"2.0.31-0ubuntu0.2","binary_name":"vim-haproxy"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-40225","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6294-2.json"}}],"schema_version":"1.7.3"}