CVEvulnerability
CVE-2023-46849
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-11-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-369
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 configurations
• openvpn openvpn (>= 2.6.0 <= 2.6.6)
• openvpn openvpn access server (>= 2.11.0 <= 2.11.3)
• openvpn openvpn access server 2.12.0
• openvpn openvpn access server 2.12.1
• debian debian linux 12.0
• fedoraproject fedora 39
Related
Weakness · CWE (1)
- CWE-369 Divide By Zero weakness
References
- https://community.openvpn.net/openvpn/wiki/CVE-2023-46849 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/ lists.fedoraproject.org
- https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/ Vendor Advisory
- https://www.debian.org/security/2023/dsa-5555 Third Party Advisory
- https://community.openvpn.net/openvpn/wiki/CVE-2023-46849 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/ lists.fedoraproject.org
- https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/ Vendor Advisory
- https://www.debian.org/security/2023/dsa-5555 Third Party Advisory