CVE-2019-15163: Tcpdump Libpcap

High severity, CVSS 7.5. EPSS: 4.4% chance of exploitation in the next 30 days.

rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

Affected products

• Tcpdump Libpcap: before 1.9.1 (fixed in 1.9.1)

Published 2019-10-03. Last modified 2026-06-17.