{"id":"UBUNTU-CVE-2022-23959","details":"In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.","modified":"2026-05-20T16:07:49.560493916Z","published":"2022-01-26T01:15:00Z","related":["USN-5474-1"],"upstream":["CVE-2022-23959"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-23959"},{"type":"REPORT","url":"https://varnish-cache.org/security/VSV00008.html"},{"type":"REPORT","url":"https://docs.varnish-software.com/security/VSV00008/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5474-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-23959"}],"affected":[{"package":{"name":"varnish","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.4-1ubuntu1","3.0.4-1ubuntu2","3.0.5-1ubuntu2","3.0.5-2","3.0.5-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi1","binary_version":"3.0.5-2ubuntu0.1"},{"binary_name":"varnish","binary_version":"3.0.5-2ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}},{"package":{"name":"varnish","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.3-1","4.1.0-1","4.1.0-2","4.1.1-1","4.1.1-1ubuntu0.2","4.1.1-1ubuntu0.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi1","binary_version":"4.1.1-1ubuntu0.2+esm1"},{"binary_name":"varnish","binary_version":"4.1.1-1ubuntu0.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}},{"package":{"name":"varnish","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.1-1ubuntu0.1"}]}],"versions":["5.0.0-7.1","5.2.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi1","binary_version":"5.2.1-1ubuntu0.1"},{"binary_name":"varnish","binary_version":"5.2.1-1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}},{"package":{"name":"varnish","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.1-2ubuntu0.1"}]}],"versions":["6.1.1-1","6.2.1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi2","binary_version":"6.2.1-2ubuntu0.1"},{"binary_name":"varnish","binary_version":"6.2.1-2ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}},{"package":{"name":"varnish","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.1-1ubuntu0.2"}]}],"versions":["6.5.2-1","6.6.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi2","binary_version":"6.6.1-1ubuntu0.2"},{"binary_name":"varnish","binary_version":"6.6.1-1ubuntu0.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}},{"package":{"name":"varnish","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.1.1-1.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi3","binary_version":"7.1.1-1.1ubuntu1"},{"binary_name":"varnish","binary_version":"7.1.1-1.1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}},{"package":{"name":"varnish","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.7.0-1","7.7.0-2","7.7.0-3","7.7.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi3","binary_version":"7.7.3-1"},{"binary_name":"varnish","binary_version":"7.7.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}},{"package":{"name":"varnish","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/varnish?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.7.3-1","7.7.3-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libvarnishapi3","binary_version":"7.7.3-1build1"},{"binary_name":"varnish","binary_version":"7.7.3-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-23959.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}