Description of problem:
Customer is trying to migrate to RHDS 12.
They are running some tests with RHDS 12.3 and they are getting ns-slapd crashes regularly.
There are 3 custom plugins and the DNA plugin is enabled.

Version-Release number of selected component (if applicable):
$ cat <SOS_REPORT>/etc/redhat-release
Red Hat Enterprise Linux release 9.3 (Plow)
$
$ grep <SOS_REPORT>/389-ds installed-rpms
389-ds-base-2.3.6-8.module+el9dsrv+20821+6bc979c1.x86_64 Thu Feb 15 18:33:01 2024
389-ds-base-libs-2.3.6-8.module+el9dsrv+20821+6bc979c1.x86_64 Thu Feb 15 18:33:01 2024
cockpit-389-ds-2.3.6-8.module+el9dsrv+20821+6bc979c1.noarch Thu Feb 15 18:33:40 2024
$

How reproducible:
Regularly at customer site.

Steps to Reproduce:
Customer could crash the server with some DEL / ADD / MOD operations.

Actual results:
ns-slapd is crashing.

Expected results:
Server should not crash.

Additional info:
The stacktraces are all different.
This likely indicates memory corruption issues.