tcpdump up to 4.8.x PPP Parser print-ppp.c ppp_hdlc_if_print memory corruption

A vulnerability was found in tcpdump up to 4.8.x (Packet Analyzer Software). It has been declared as critical. This vulnerability affects the function ppp_hdlc_if_print of the file print-ppp.c of the component PPP Parser. Upgrading to version 4.9.0 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.