In Go before 1.15.13 and 1.16.x before 1.16.5 some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

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SUSE CVE-2021-33197

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy from net/http/httputil result in a situation where an attacker is able to drop arbitrary headers...

DEBIAN-CVE-2021-33197

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy from net/http/httputil result in a situation where an attacker is able to drop arbitrary headers...