This update for zstd to version 1.4.2 fixes the following issues:
Security issues fixed: - CVE-2019-11922: Fixed race condition in one-pass compression functions that could allow out of bounds write (boo#1142941).
Non-security issues fixed: - Added --[no-]compress-literals CLI flag to enable or disable literal compression. - Added new --rsyncable mode. - Added handling of -f flag to zstdgrep. - Added CPU load indicator for each file on -vv mode. - Changed --no-progress flag to preserve the final summary. - Added new command --adapt for compressed network piping of data adjusted to the perceived network conditions.