CVE-2023-46850

CRITICAL

OpenVPN 2.6.0-2.6.6 - Use-After-Free via Network Buffer Handling

Title source: llm
STIX 2.1

Description

Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.

References (5)

Core 5

Scores

CVSS v3 9.8
EPSS 0.0373
EPSS Percentile 88.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-416
Status published
Products (4)
debian/debian_linux 12.0
fedoraproject/fedora 39
openvpn/openvpn 2.6.0 - 2.6.6
openvpn/openvpn_access_server 2.11.0 - 2.11.3
Published Nov 11, 2023
Tracked Since Feb 18, 2026