tcpdump up to 4.8.x PIM Parser print-pim.c pimv2_check_checksum memory corruption

A vulnerability was found in tcpdump up to 4.8.x (Packet Analyzer Software). It has been classified as critical. This affects the function pimv2_check_checksum of the file print-pim.c of the component PIM Parser. Upgrading to version 4.9.0 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.