Potential remote code execution during URN processing (CVE-2019-12526).
Multiple improper validations in URI processing (CVE-2019-12523, CVE-2019-18676).
Cross-Site Request Forgery in HTTP Request processing (CVE-2019-18677).
Incorrect message parsing which could have led to HTTP request splitting issue (CVE-2019-18678).
Information disclosure when processing HTTP Digest Authentication (CVE-2019-18679).