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.
{ "versions": [ { "introduced": "0" }, { "last_affected": "1.6" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18361.json"