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.
End of life: 7/28/2022, Latest version: 1.3.17
End of life: 7/28/2022, Latest version: 1.3.17