CVE-2020-5247 | Puma Gem up to 3.12.1/4.3.1 on Ruby Header HTTP Response response splitting (GHSA-84j7-475p-hp8v)
A vulnerability was found in Puma Gem up to 3.12.1/4.3.1 on Ruby. It has been declared as critical. This vulnerability affects unknown code of the component Header Handler. The manipulation as part of HTTP Response leads to http response splitting.
This vulnerability was named CVE-2020-5247. The attack can be initiated remotely. There is no exploit available.
It is recommended to upgrade the affected component.