In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the LTP dissector and other dissectors could consume excessive memory. This was addressed in epan/tvbuff.c by rejecting negative lengths.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-11357.json"