In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.Referenceshttps://bugzilla.redhat.com/show_bug.cgi?id=1926965https://github.com/Yeraze/ytnef/issues/86
