The CoreUserInputHandler::doMode function in core/coreuserinputhandler.cpp in Quassel 0.10.0 allows remote attackers to cause a denial of service (application crash) via the “/op *” command in a query.
lists.opensuse.org/opensuse-updates/2015-12/msg00099.html
www.openwall.com/lists/oss-security/2015/12/12/1
www.openwall.com/lists/oss-security/2015/12/13/1
github.com/quassel/quassel/commit/b8edbda019eeb99da8663193e224efc9d1265dc7
github.com/quassel/quassel/pull/153
lists.fedoraproject.org/pipermail/package-announce/2016-January/174938.html
lists.fedoraproject.org/pipermail/package-announce/2016-January/174976.html