BarnOwl < 1.6.2 - Denial of Service via ZPending and ZReceiveNotice Function Return Code Mismanagement
BarnOwl before 1.6.2 does not check the return code of calls to the (1) ZPending and (2) ZReceiveNotice functions in libzephyr, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors.