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tcpdump up to 4.9.1 PIMv2 Parser print-pim.c pimv2_print() memory corruption

A vulnerability was found in tcpdump up to 4.9.1 (Packet Analyzer Software). It has been classified as critical. This affects the function pimv2_print() of the file print-pim.c of the component PIMv2 Parser. Upgrading to version 4.9.2 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.