CVE-2018-16301: Tcpdump

High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The command-line argument parser in tcpdump before 4.99.0 has a buffer overflow in tcpdump.c:read_infile(). To trigger this vulnerability the attacker needs to create a 4GB file on the local filesystem and to specify the file name as the value of the -F command-line argument of tcpdump.

Affected products

• Tcpdump Tcpdump: before 4.99.0 (fixed in 4.99.0)

Published 2019-10-03. Last modified 2026-10-08.