This update for libesmtp fixes the following issues:
{ "binaries": [ { "libesmtp": "1.0.6-150.4.1", "libesmtp-devel": "1.0.6-150.4.1" } ] }
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:2937-1.json"