The ASN.1 BER dissector in Wireshark 1.4.0 through 1.4.2 allows remote attackers to cause a denial of service (assertion failure) via crafted packets, as demonstrated by fuzz-2010-12-30-28473.pcap.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 71.0%