CLSA-2021-1633442879 Fix of CVE: CVE-2020-26116, CVE-2020-8492, CVE-2018-20852, CVE-2020-27619

Add Oracle Linux distribution in platform.py - CVE-2018-20852: Prefix dot in domain for proper subdomain validation - CVE-2020-8492: Python allows an HTTP server to conduct Regular Expression Denial of Service ReDoS attacks against a client - CVE-2020-26116: http.client allows CRLF injection if...