The dissect_hsrp function in epan/dissectors/packet-hsrp.c in the HSRP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (infinite loop) via a malformed packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 75.6%