{"id":"USN-5839-1","summary":"apache2 vulnerabilities","details":"It was discovered that the Apache HTTP Server mod_dav module incorrectly\nhandled certain If: request headers. A remote attacker could possibly use\nthis issue to cause the server to crash, resulting in a denial of service.\n(CVE-2006-20001)\n\nZeddYu_Lu discovered that the Apache HTTP Server mod_proxy_ajp module\nincorrectly interpreted certain HTTP Requests. A remote attacker could\npossibly use this issue to perform an HTTP Request Smuggling attack.\n(CVE-2022-36760)\n\nDimas Fariski Setyawan Putra discovered that the Apache HTTP Server\nmod_proxy module incorrectly truncated certain response headers. This may\nresult in later headers not being interpreted by the client.\n(CVE-2022-37436)\n","modified":"2026-04-22T10:32:30.572414Z","published":"2023-02-01T13:09:22Z","related":["UBUNTU-CVE-2006-20001","UBUNTU-CVE-2022-36760","UBUNTU-CVE-2022-37436"],"upstream":["CVE-2006-20001","CVE-2022-36760","CVE-2022-37436","UBUNTU-CVE-2006-20001","UBUNTU-CVE-2022-36760","UBUNTU-CVE-2022-37436"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5839-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2006-20001"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-36760"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-37436"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.26?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.29-1ubuntu4.26"}]}],"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","2.4.29-1ubuntu4.22","2.4.29-1ubuntu4.23","2.4.29-1ubuntu4.24","2.4.29-1ubuntu4.25"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.29-1ubuntu4.26"},{"binary_name":"apache2-bin","binary_version":"2.4.29-1ubuntu4.26"},{"binary_name":"apache2-data","binary_version":"2.4.29-1ubuntu4.26"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.29-1ubuntu4.26"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.29-1ubuntu4.26"},{"binary_name":"apache2-utils","binary_version":"2.4.29-1ubuntu4.26"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5839-1.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:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2006-20001"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-36760"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-37436"}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"apache2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.13?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.13"}]}],"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","2.4.41-4ubuntu3.10","2.4.41-4ubuntu3.11","2.4.41-4ubuntu3.12"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.41-4ubuntu3.13"},{"binary_name":"apache2-bin","binary_version":"2.4.41-4ubuntu3.13"},{"binary_name":"apache2-data","binary_version":"2.4.41-4ubuntu3.13"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.41-4ubuntu3.13"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.41-4ubuntu3.13"},{"binary_name":"apache2-utils","binary_version":"2.4.41-4ubuntu3.13"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.41-4ubuntu3.13"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.41-4ubuntu3.13"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5839-1.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:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2006-20001"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-36760"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-37436"}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"apache2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.52-1ubuntu4.3"}]}],"versions":["2.4.48-3.1ubuntu3","2.4.48-3.1ubuntu4","2.4.51-2ubuntu1","2.4.52-1ubuntu1","2.4.52-1ubuntu2","2.4.52-1ubuntu4","2.4.52-1ubuntu4.1","2.4.52-1ubuntu4.2"],"ecosystem_specific":{"binaries":[{"binary_name":"apache2","binary_version":"2.4.52-1ubuntu4.3"},{"binary_name":"apache2-bin","binary_version":"2.4.52-1ubuntu4.3"},{"binary_name":"apache2-data","binary_version":"2.4.52-1ubuntu4.3"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.52-1ubuntu4.3"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.52-1ubuntu4.3"},{"binary_name":"apache2-utils","binary_version":"2.4.52-1ubuntu4.3"},{"binary_name":"libapache2-mod-md","binary_version":"2.4.52-1ubuntu4.3"},{"binary_name":"libapache2-mod-proxy-uwsgi","binary_version":"2.4.52-1ubuntu4.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5839-1.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:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2006-20001"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-36760"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-37436"}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.5"}