To mitigate potential vulnerabilities in the wsgiserver module:

: CPython’s internal pymalloc and garbage collection mechanisms can sometimes be manipulated if an attacker can inject arbitrary objects or trigger deep recursion through malformed HTTP inputs. Mechanics of the Exploit

Set strict limits on header sizes. Use max_header_field_size in your WSGI server configuration.

Mishandling of Content-Length and Transfer-Encoding headers, allowing attackers to smuggle a second request inside the first.