CVE-2023-46850

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.

Published: Nov 11, 2023
Updated: Nov 29, 2023
CVE: CVE-2023-46850
Severity: Critical
Exploit:

CVSS v3:

Severity: Critical
Score: 9.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

CWE-416

Affected Software
References

Software	From	Fixed in
openvpn / openvpn	2.6.0	2.6.6.x
openvpn / openvpn_access_server	2.11.0	2.11.3.x
openvpn / openvpn_access_server	2.12.0	2.12.2
debian / debian_linux	12.0	12.0.x
fedoraproject / fedora	39	39.x

https://community.openvpn.net/openvpn/wiki/CVE-2023-46850
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/
https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/
https://www.debian.org/security/2023/dsa-5555

Vulnerability Database

CVE-2023-46850