{"id":"UBUNTU-CVE-2017-18361","details":"In Pylons Colander through 1.6, the URL validator allows an attacker to potentially cause an infinite loop thereby causing a denial of service via an unclosed parenthesis.","modified":"2025-10-24T04:46:40Z","published":"2019-02-01T09:29:00Z","upstream":["CVE-2017-18361"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18361"},{"type":"REPORT","url":"https://github.com/Pylons/colander/issues/290"},{"type":"REPORT","url":"https://github.com/Pylons/colander/pull/323"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-18361"}],"affected":[{"package":{"name":"python-colander","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-colander@1.0b1-3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0b1-3"],"ecosystem_specific":{"binaries":[{"binary_name":"python-colander","binary_version":"1.0b1-3"},{"binary_name":"python3-colander","binary_version":"1.0b1-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18361.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}