OpenVPN 2.x before 2.0.11, 2.1.x, 2.2.x before 2.2.3, and 2.3.x before 2.3.6 allows remote authenticated users to cause a denial of service (server crash) via a small control channel packet.
http://www.ubuntu.com/usn/USN-2430-1
http://www.debian.org/security/2014/dsa-3084
http://lists.opensuse.org/opensuse-security-announce/2014-12/msg00008.html
http://advisories.mageia.org/MGASA-2014-0512.html
https://community.openvpn.net/openvpn/wiki/SecurityAnnouncement-97597e732b
Source: Mitre, NVD
Published: 2014-12-03
Updated: 2025-04-12
Base Score: 6.8
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.01465