Created attachment 1591458 [details]
log snipped indicating failure
Description of problem:
At 16-Jul-2019 21:10 UTC, our bind DNS server terminated unexpectedly due to assertion failure. Log snipped can be found in attachment (sensitive information has been removed).
Version-Release number of selected component (if applicable):
We could not reproduce it, that might be security exploitation.
Steps to Reproduce:
Do you have any core dump, maybe created by abrt package? Would coredumpctl list any bind backtraces?
Unfortunately, log is not enough to find cause of this issue.