CVE-2017-5205: Debian Linux

Critical severity, CVSS 9.8. EPSS: 3.6% chance of exploitation in the next 30 days.

The ISAKMP parser in tcpdump before 4.9.0 has a buffer overflow in print-isakmp.c:ikev2_e_print().

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.4 only; version 7.6 only
• Red Hat Enterprise Linux Server Eus: version 7.4 only; version 7.5 only; version 7.6 only
• Red Hat Enterprise Linux Server Tus: version 7.6 only
• Red Hat Enterprise Linux Workstation: version 7.0 only
• Tcpdump Tcpdump: before 4.9.0 (fixed in 4.9.0)

Published 2017-01-28. Last modified 2026-06-17.