CVE-2023-46849
- State
- Published
- Severity
- 7.5 High
- Published
- Nov 11, 2023
- Updated
- Jun 11, 2025
- Reserved
- Oct 27, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-369 Divide By Zero
Affected Products
| Product | Versions |
|---|---|
OpenVPN 2 (Community)OpenVPN |
|
Access ServerOpenVPN |
|
References
- https://community.openvpn.net/openvpn/wiki/CVE-2023-46849
- https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/
- https://www.debian.org/security/2023/dsa-5555
- 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/
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