CVE-2023-46850

2023-11-1101:15:07

Debian Security Bug Tracker

security-tracker.debian.org

openvpn

vulnerability

use after free

remote execution

memory leaks

network buffers

unix

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.8 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

77.0%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12allopenvpn< 2.6.3-1+deb12u2openvpn_2.6.3-1+deb12u2_all.deb
Debian11allopenvpn< 2.5.1-3openvpn_2.5.1-3_all.deb
Debian999allopenvpn< 2.6.7-1openvpn_2.6.7-1_all.deb
Debian13allopenvpn< 2.6.7-1openvpn_2.6.7-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	openvpn	< 2.6.3-1+deb12u2	openvpn_2.6.3-1+deb12u2_all.deb
Debian	11	all	openvpn	< 2.5.1-3	openvpn_2.5.1-3_all.deb
Debian	999	all	openvpn	< 2.6.7-1	openvpn_2.6.7-1_all.deb
Debian	13	all	openvpn	< 2.6.7-1	openvpn_2.6.7-1_all.deb