{"id":"USN-5869-1","summary":"haproxy vulnerability","details":"Bahruz Jabiyev, Anthony Gavazzi, Engin Kirda, Kaan Onarlioglu, Adi Peleg,\nand Harvey Tuch discovered that HAProxy incorrectly handled empty header\nnames. A remote attacker could possibly use this issue to manipulate\nheaders and bypass certain authentication checks and restrictions.\n","modified":"2026-02-10T04:42:57Z","published":"2023-02-14T17:09:35Z","related":["UBUNTU-CVE-2023-25725"],"upstream":["CVE-2023-25725","UBUNTU-CVE-2023-25725"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5869-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-25725"}],"affected":[{"package":{"name":"haproxy","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/haproxy@1.8.8-1ubuntu0.13?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.8-1ubuntu0.13"}]}],"versions":["1.7.9-1ubuntu1","1.7.9-1ubuntu2","1.8.4-1","1.8.7-1","1.8.8-1","1.8.8-1ubuntu0.1","1.8.8-1ubuntu0.2","1.8.8-1ubuntu0.3","1.8.8-1ubuntu0.4","1.8.8-1ubuntu0.6","1.8.8-1ubuntu0.7","1.8.8-1ubuntu0.8","1.8.8-1ubuntu0.9","1.8.8-1ubuntu0.10","1.8.8-1ubuntu0.11"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.8.8-1ubuntu0.13","binary_name":"haproxy"},{"binary_version":"1.8.8-1ubuntu0.13","binary_name":"vim-haproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5869-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-25725"}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"haproxy","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/haproxy@2.0.29-0ubuntu1.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.29-0ubuntu1.3"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.0.29-0ubuntu1.3","binary_name":"haproxy"},{"binary_version":"2.0.29-0ubuntu1.3","binary_name":"vim-haproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5869-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-25725"}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"haproxy","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/haproxy@2.4.18-0ubuntu1.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-0ubuntu1.2"}]}],"versions":["2.2.9-2ubuntu2","2.4.8-1","2.4.8-2ubuntu3","2.4.11-1ubuntu1","2.4.12-1ubuntu1","2.4.12-1ubuntu2","2.4.13-1ubuntu1","2.4.14-1ubuntu1","2.4.18-0ubuntu1","2.4.18-0ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.4.18-0ubuntu1.2","binary_name":"haproxy"},{"binary_version":"2.4.18-0ubuntu1.2","binary_name":"vim-haproxy"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5869-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-25725"}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.3"}