This update for libotr fixes the following issues:
- Apply 'libotr-CVE-2016-2851.patch' to fix integer overflows that
used to occur on 64-bit architectures when receiving 4GB messages.
This flaw could potentially have been exploited by an attacker to
remotely execute arbitrary code on the user's machine.
(CVE-2016-2851, bsc#969785)