This update for go1.16 fixes the following issues:
Update to 1.16.5.
Includes these security fixes
- CVE-2021-33195: net: Lookup functions may return invalid host names (bsc#1187443). - CVE-2021-33196: archive/zip: malformed archive may cause panic or memory exhaustion (bsc#1186622). - CVE-2021-33197: net/http/httputil: ReverseProxy forwards Connection headers if first one is empty (bsc#1187444) - CVE-2021-33198: math/big: (*Rat).SetString with '1.770p02041010010011001001' crashes with 'makeslice: len out of range' (bsc#1187445).