fix dereferencing null pointer (#2021403)

net-snmp-cert gencert create SHA512 (#1908331)

update engineTime when sending traps (#1973252)

prevent parsing IP address twice (#1768908)
add support for digests detected from ECC certs (#1919714)
fix broken ErrorMsg at ucd-snmp (#1933150)
add support for intermediate certs (#1914656)
fix crash of certs with longer extension (#1908718)

fix issue with parsing of long traps (#1912242)
modify fix for #1877375

revert permission of config files to 600 (#1601060)
fix error message when the address specified by clientaddr option
log error with /proc/net/if_inet6 only when IPv6 is enabled (#1824367)
fix issue with quoting empty passphrase (#1817225)

fix CVE-2020-15862 (#1875497)
fix bulk responses for invalid PID (#1817190)

add math library in LDFLAGS (#1846252)

remove file due licensing issues (#1690936)

proxied OIDs unspecified in proxy statement in snmpd.conf (#1658134)
UCD-SNMP-MIB::dskTable doesn't update dynamically (#1658185)
expand SNMPCONFPATH variable (#1660146)
remove file with Apple license (#1690936)
log meningful message on duplicate IP address (#1692286)
memory reporting adjustment (#1695497 and #1766521)
fix typos in man page (#1700262)
speedup ipAddressTable loading(#1700391)
fix memory leak when shut down librpm (#1763008)
services starts after network-online.target (#1775304)
add missing part of memory leak patch (#1829860)
add support for AES192 and AES256 (#1846252)

fix double free or corruption error when freeing security context (#1809077)
remove deprecated CFLAG

fix double free or corruption error (#1726373)

fix tmpfiles path (#1710784)

fix issue with flood messages (#1719350)

fix trapsink port issue (#1677192)

rebuild for autoconf