{"id":"UBUNTU-CVE-2020-26566","details":"A Denial of Service condition in Motion-Project Motion 3.2 through 4.3.1 allows remote unauthenticated users to cause a webu.c segmentation fault and kill the main process via a crafted HTTP request.","modified":"2026-05-20T16:04:21.490562233Z","published":"2020-10-26T18:15:00Z","upstream":["CVE-2020-26566"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-26566"},{"type":"REPORT","url":"https://github.com/Motion-Project/motion/security/advisories/GHSA-6f7x-grw7-fw24"},{"type":"REPORT","url":"https://github.com/Motion-Project/motion/issues/1227#issuecomment-715927776"},{"type":"REPORT","url":"https://github.com/Motion-Project/motion/pull/1232"},{"type":"REPORT","url":"https://github.com/Motion-Project/motion/releases"},{"type":"REPORT","url":"https://motion-project.github.io/index.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-26566"}],"affected":[{"package":{"name":"motion","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/motion?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.12+git20140228-7","3.2.12+git20140228-8","3.2.12+git20140228-8build1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.2.12+git20140228-8build1","binary_name":"motion"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26566.json"}},{"package":{"name":"motion","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/motion?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"motion","binary_version":"4.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26566.json"}},{"package":{"name":"motion","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/motion?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.2-1build1","4.2.2-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"motion","binary_version":"4.2.2-1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26566.json"}},{"package":{"name":"motion","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/motion?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.2-1","4.3.2-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3.2-1ubuntu0.1","binary_name":"motion"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26566.json"}},{"package":{"name":"motion","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/motion?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.1-3build1","4.5.1-4","4.6.0-1","4.6.0-1ubuntu1","4.6.0-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"motion","binary_version":"4.6.0-1ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26566.json"}},{"package":{"name":"motion","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/motion?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.0-2build1","4.7.0-3"],"ecosystem_specific":{"binaries":[{"binary_version":"4.7.0-3","binary_name":"motion"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26566.json"}},{"package":{"name":"motion","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/motion?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.0-3","4.7.1-1","4.7.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"motion","binary_version":"4.7.1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26566.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:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}