Three crashes already for this signature in version 78, but not a new crash.

Two are bp-765a944e-8c84-4c47-bfcc-fa79f0200717 and bp-fdd12d9d-7071-4a0a-9de0-c7bbe0200717.

Top 10 frames of crashing thread:

0  @0x4 
1 xul.dll nsAbLDAPListenerBase::OnLDAPInit comm/mailnews/addrbook/src/nsAbLDAPListenerBase.cpp:65
2 xul.dll nsLDAPConnection::OnLookupComplete comm/ldap/xpcom/src/nsLDAPConnection.cpp:582
3 xul.dll mozilla::detail::RunnableFunction<`lambda at /builds/worker/checkouts/gecko/netwerk/dns/DNSListenerProxy.cpp:28:30'>::Run xpcom/threads/nsThreadUtils.h:574
4 xul.dll nsThread::ProcessNextEvent xpcom/threads/nsThread.cpp:1211
5 xul.dll NS_ProcessNextEvent xpcom/threads/nsThreadUtils.cpp:501
6 xul.dll mozilla::ipc::MessagePump::Run ipc/glue/MessagePump.cpp:109
7 xul.dll MessageLoop::RunHandler ipc/chromium/src/base/message_loop.cc:308
8 xul.dll MessageLoop::Run ipc/chromium/src/base/message_loop.cc:290
9 xul.dll nsBaseAppShell::Run widget/nsBaseAppShell.cpp:137

bp-f207259f-8442-4b20-ab37-0834a0200717 is 68.10.0

https://hg.mozilla.org/releases/comm-esr78/file/tip/mailnews/addrbook/src/nsAbLDAPListenerBase.cpp#l65 - not sure what to make of that

No crashes starting with 78.5.1, should make this fixed by Ben's patch in bug 1659947