A SIGSEGV crash due to invalid memory read can be observed in an ASAN build of Wireshark, by feeding a malformed file to tshark ("$ ./tshark -nVxr /path/to/file").
Created wireshark tracking bugs for this issue:
Affects: fedora-all [bug 1697943]
This issue did not affect the versions of wireshark as shipped with Red Hat Enterprise Linux 8 as they did not include support for TSDNS (TeamSpeak3 DNS) packet disassembly.
A invalid memory read in ws_basestrtou64() function in wireshark/wsutil/strtoi.c make wireshark crash when analyzing TSDNS packets.