{"id":"USN-6530-1","summary":"haproxy vulnerability","details":"It was discovered that HAProxy incorrectly handled URI components\ncontaining the hash character (#). A remote attacker could possibly use\nthis issue to obtain sensitive information, or to bypass certain path_end\nrules.\n","modified":"2026-02-10T04:43:26Z","published":"2023-12-05T13:12:31Z","related":["UBUNTU-CVE-2023-45539"],"upstream":["CVE-2023-45539","UBUNTU-CVE-2023-45539"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6530-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-45539"}],"affected":[{"package":{"name":"haproxy","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/haproxy@2.0.31-0ubuntu0.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.31-0ubuntu0.3"}]}],"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","2.0.29-0ubuntu1.3","2.0.31-0ubuntu0.1","2.0.31-0ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.31-0ubuntu0.3","binary_name":"haproxy"},{"binary_version":"2.0.31-0ubuntu0.3","binary_name":"vim-haproxy"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6530-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-45539"}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"haproxy","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/haproxy@2.4.22-0ubuntu0.22.04.3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.22-0ubuntu0.22.04.3"}]}],"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","2.4.18-0ubuntu1.2","2.4.18-0ubuntu1.3","2.4.22-0ubuntu0.22.04.1","2.4.22-0ubuntu0.22.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.22-0ubuntu0.22.04.3","binary_name":"haproxy"},{"binary_version":"2.4.22-0ubuntu0.22.04.3","binary_name":"vim-haproxy"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6530-1.json","cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-45539"}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.3"}