tcpdump is vulnerable to denial of service (DoS). The vulnerability exists as the ppp decapsulator
can cause a large amount of memory to be allocated.
seclists.org/fulldisclosure/2021/Apr/51
github.com/the-tcpdump-group/tcpdump/commit/32027e199368dad9508965aae8cd8de5b6ab5231
lists.debian.org/debian-lts-announce/2020/11/msg00018.html
lists.fedoraproject.org/archives/list/[email protected]/message/F2MX34MJIUJQGL6CMEPLTKFOOOC3CJ4Z/
lists.fedoraproject.org/archives/list/[email protected]/message/LWDBONZVLC6BAOR2KM376DJCM4H3FERV/
support.apple.com/kb/HT212325
support.apple.com/kb/HT212326
support.apple.com/kb/HT212327