PT-2023-8906 · Openvpn+3 · Openvpn+3
Published
2023-11-10
·
Updated
2025-06-11
·
CVE-2023-46849
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
OpenVPN versions 2.6.0 through 2.6.6
Description
The issue is related to the use of the --fragment option in certain configuration setups, which can cause a divide by zero behavior. This could lead to an application crash, resulting in a denial of service. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.
Recommendations
For OpenVPN versions 2.6.0 through 2.6.6, consider avoiding the use of the --fragment option in configuration setups until a patch is available. As a temporary workaround, restrict the use of the --fragment option to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Use After Free
Divide By Zero
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Related Identifiers
Affected Products
Alt Linux
Openvpn
Red Os
Ubuntu