CVE-2017-8342: Race Condition
Radicale before 1.1.2 and 2.0.0rc1 is prone to timing oracles and simple brute-force attacks when using the htpasswd authentication method.
Other sources
Radicale before 1.1.2 and 2.x before 2.0.0rc2 is prone to timing oracles and simple brute-force attacks when using the htpasswd authentication method.