Waitress 1.4.2 ReDoS - CVE-2020-5236 (Blog Sample Code)
Waitress 142 ReDoS - CVE-2020-5236 Waitress version 142 allows a DOS attack When waitress receives a header that contains invalid characters When a header like "Bad-header: xxxxxxxxxxxxxxx\x10" is received, it will cause the regular expression engine to catastrophically backtrack causing the process to use 100% CPU time and blocking any other interactions This