This update for libtirpc fixes the following issues:
CVE-2021-46828: Fixed an uncontrolled file descriptor consumption,
which could be exploited by remote attackers to prevent applications
using the library from accepting new connections (bsc#1201680).
Non-security fixes:
Exclude ipv6 addresses in client protocol version 2 code (bsc#1200800)
Fix memory leak in params.r_addr assignement (bsc#1198752)