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CVE-2023-46849

nvd nist
Published: Nov 11, 2023Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.

Affected (6)

Openvpn
2 products
Openvpn
Openvpn Access Server
Debian
1 product
Debian Linux
Fedoraproject
1 product
Fedora
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Openvpn
From 2.6.0 to 2.6.6
Openvpn
Openvpn Access Server
From 2.11.0 to 2.11.3
Openvpn Access Server
Version 2.12.0
Openvpn Access Server
Version 2.12.1
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian Linux
Version 12.0
Fedora
Version 39

Related CWEs

CWE-369
Divide By Zero
The product divides a value by zero.

References (10)

Source: security@openvpn.net
Vendor Advisory
Source: security@openvpn.net
Mailing List
Source: security@openvpn.net
Source: security@openvpn.net
Vendor Advisory
Source: security@openvpn.net
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.