tcpdump 4.9.0 has a buffer overflow in the sliplink_print function in print-sl.c.

tcpdump 4.9.0 has a heap-based buffer over-read in the pimv1_print function in print-pim.c.

tcpdump 4.9.0 has a heap-based buffer over-read in the lldp_print function in print-lldp.c, related to util-print.c.

tcpdump 4.9.0 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via crafted packet data. The crash occurs in the EXTRACT_16BITS function, called from the stp_print function for the Spanning Tree Protocol.