A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability.
https://www.debian.org/security/2020/dsa-4792
https://support.apple.com/kb/HT212147
https://security.netapp.com/advisory/ntap-20210716-0003/
https://lists.debian.org/debian-lts-announce/2020/12/msg00008.html