CVE-2009-5009: Infradead Openconnect

Medium severity, CVSS 5.0. EPSS: 1% chance of exploitation in the next 30 days.

Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.

Affected products

  • Infradead Openconnect: up to and including 1.30; version 1.00 only; version 1.10 only; version 1.20 only

Published 2010-10-14. Last modified 2026-06-16.