CVE-2010-3308: Xelerance Openswan

Medium severity, CVSS 6.5. EPSS: 4% chance of exploitation in the next 30 days.

Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might allow remote authenticated gateways to execute arbitrary code or cause a denial of service via a long cisco_banner (aka server_banner) field.

Affected products

• Xelerance Openswan: version 2.6.26 only; version 2.6.27 only; version 2.6.28 only

Published 2010-10-05. Last modified 2026-06-16.