CVE-2023-46850 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.01982.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Debian	Debian Linux
Fedoraproject	Fedora
Openvpn	Openvpn Openvpn Access Server

Configuration 1 [-]

OR	cpe:2.3:a:openvpn:openvpn:::::community:::*
	cpe:2.3:a:openvpn:openvpn_access_server::::::::
	cpe:2.3:a:openvpn:openvpn_access_server::::::::

Configuration 2 [-]

OR	cpe:2.3:o:debian:debian_linux:12.0:::::::*
	cpe:2.3:o:fedoraproject:fedora:39:::::::*

No data.

No data.

References

Link	Providers
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

History

Wed, 17 Dec 2025 05:15:00 +0000

Type	Values Removed	Values Added
Metrics	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'None', 'Technical Impact': 'Total'}, 'version': '2.0.3'}`	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 08 Jan 2025 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'None', 'Technical Impact': 'Total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published: 2023-11-11T00:15:07.076Z

Updated: 2026-06-23T21:24:00.414Z

Reserved: 2023-10-27T13:38:49.496Z

Link: CVE-2023-46850

Vulnrichment

Updated: 2024-08-02T20:53:21.910Z

NVD

Status : Modified

Published: 2023-11-11T01:15:07.357

Modified: 2026-06-17T06:31:45.783

Link: CVE-2023-46850

Redhat

No data.

OpenCVE Enrichment

No data.

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