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.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- none
- Scope
- unchanged
- Confidentiality
- none
- Integrity
- none
- Availability
- high
- Weaknesses
- CWE-369CWE-369
Metadata
- Primary Vendor
- OPENVPN
- Published
- 11/11/2023
- Last Modified
- 6/11/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
openvpn : openvpnopenvpn : openvpn_access_serveropenvpn : openvpn_access_serveropenvpn : openvpn_access_serverdebian : debian_linuxfedoraproject : fedora
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