{"id":"UBUNTU-CVE-2022-22720","details":"Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling","modified":"2026-02-04T02:45:00.547340Z","published":"2022-03-14T11:15:00Z","related":["USN-5333-1","USN-5333-2"],"upstream":["CVE-2022-22720"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-22720"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5333-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5333-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-22720"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.22+esm4?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1ubuntu4.22+esm4"}]}],"versions":["2.4.6-2ubuntu2","2.4.6-2ubuntu3","2.4.6-2ubuntu4","2.4.7-1ubuntu1","2.4.7-1ubuntu2","2.4.7-1ubuntu3","2.4.7-1ubuntu4","2.4.7-1ubuntu4.1","2.4.7-1ubuntu4.4","2.4.7-1ubuntu4.5","2.4.7-1ubuntu4.6","2.4.7-1ubuntu4.7","2.4.7-1ubuntu4.8","2.4.7-1ubuntu4.9","2.4.7-1ubuntu4.10","2.4.7-1ubuntu4.11","2.4.7-1ubuntu4.13","2.4.7-1ubuntu4.15","2.4.7-1ubuntu4.16","2.4.7-1ubuntu4.17","2.4.7-1ubuntu4.18","2.4.7-1ubuntu4.19","2.4.7-1ubuntu4.20","2.4.7-1ubuntu4.21","2.4.7-1ubuntu4.22","2.4.7-1ubuntu4.22+esm1","2.4.7-1ubuntu4.22+esm2","2.4.7-1ubuntu4.22+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-bin"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-data"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-dev"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-mpm-event"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-mpm-itk"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-mpm-prefork"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-mpm-worker"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-suexec"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2-utils"},{"binary_version":"2.4.7-1ubuntu4.22+esm4","binary_name":"apache2.2-bin"},{"binary_version":"1:2.4.7-1ubuntu4.22+esm4","binary_name":"libapache2-mod-macro"},{"binary_version":"1:2.4.7-1ubuntu4.22+esm4","binary_name":"libapache2-mod-proxy-html"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-22720.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.18-2ubuntu3.17+esm5?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-2ubuntu3.17+esm5"}]}],"versions":["2.4.12-2ubuntu2","2.4.17-1ubuntu1","2.4.17-2ubuntu1","2.4.17-3ubuntu1","2.4.18-1ubuntu1","2.4.18-2ubuntu1","2.4.18-2ubuntu2","2.4.18-2ubuntu3","2.4.18-2ubuntu3.1","2.4.18-2ubuntu3.2","2.4.18-2ubuntu3.3","2.4.18-2ubuntu3.4","2.4.18-2ubuntu3.5","2.4.18-2ubuntu3.7","2.4.18-2ubuntu3.8","2.4.18-2ubuntu3.9","2.4.18-2ubuntu3.10","2.4.18-2ubuntu3.12","2.4.18-2ubuntu3.13","2.4.18-2ubuntu3.14","2.4.18-2ubuntu3.15","2.4.18-2ubuntu3.17","2.4.18-2ubuntu3.17+esm1","2.4.18-2ubuntu3.17+esm2","2.4.18-2ubuntu3.17+esm3","2.4.18-2ubuntu3.17+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.18-2ubuntu3.17+esm5","binary_name":"apache2"},{"binary_version":"2.4.18-2ubuntu3.17+esm5","binary_name":"apache2-bin"},{"binary_version":"2.4.18-2ubuntu3.17+esm5","binary_name":"apache2-data"},{"binary_version":"2.4.18-2ubuntu3.17+esm5","binary_name":"apache2-dev"},{"binary_version":"2.4.18-2ubuntu3.17+esm5","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.18-2ubuntu3.17+esm5","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.18-2ubuntu3.17+esm5","binary_name":"apache2-utils"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-22720.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.22?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.22"}]}],"versions":["2.4.27-2ubuntu3","2.4.29-1ubuntu1","2.4.29-1ubuntu2","2.4.29-1ubuntu3","2.4.29-1ubuntu4","2.4.29-1ubuntu4.1","2.4.29-1ubuntu4.2","2.4.29-1ubuntu4.3","2.4.29-1ubuntu4.4","2.4.29-1ubuntu4.5","2.4.29-1ubuntu4.6","2.4.29-1ubuntu4.7","2.4.29-1ubuntu4.8","2.4.29-1ubuntu4.10","2.4.29-1ubuntu4.11","2.4.29-1ubuntu4.12","2.4.29-1ubuntu4.13","2.4.29-1ubuntu4.14","2.4.29-1ubuntu4.16","2.4.29-1ubuntu4.17","2.4.29-1ubuntu4.18","2.4.29-1ubuntu4.19","2.4.29-1ubuntu4.20","2.4.29-1ubuntu4.21"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2"},{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2-bin"},{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2-data"},{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2-dev"},{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2-ssl-dev"},{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.29-1ubuntu4.22","binary_name":"apache2-utils"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-22720.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.10?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.10"}]}],"versions":["2.4.41-1ubuntu1","2.4.41-4ubuntu1","2.4.41-4ubuntu2","2.4.41-4ubuntu3","2.4.41-4ubuntu3.1","2.4.41-4ubuntu3.3","2.4.41-4ubuntu3.4","2.4.41-4ubuntu3.5","2.4.41-4ubuntu3.6","2.4.41-4ubuntu3.7","2.4.41-4ubuntu3.8","2.4.41-4ubuntu3.9"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2-bin"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2-data"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2-dev"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2-ssl-dev"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"apache2-utils"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"libapache2-mod-md"},{"binary_version":"2.4.41-4ubuntu3.10","binary_name":"libapache2-mod-proxy-uwsgi"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-22720.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.52-1ubuntu2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.52-1ubuntu2"}]}],"versions":["2.4.48-3.1ubuntu3","2.4.48-3.1ubuntu4","2.4.51-2ubuntu1","2.4.52-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2-bin"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2-data"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2-dev"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2-ssl-dev"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"apache2-utils"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"libapache2-mod-md"},{"binary_version":"2.4.52-1ubuntu2","binary_name":"libapache2-mod-proxy-uwsgi"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-22720.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}