Advisory Published

USN-7411-1: OpenVPN vulnerability

First published: Thu Apr 03 2025(Updated: )

It was discovered that OpenVPN incorrectly handled certain malformed packets. A remote attacker could possibly use this issue to cause OpenVPN to crash, resulting in a denial of service.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/openvpn<2.6.12-1ubuntu1.2
2.6.12-1ubuntu1.2
Ubuntu=24.10
All of
ubuntu/openvpn<2.6.12-0ubuntu0.24.04.3
2.6.12-0ubuntu0.24.04.3
Ubuntu=24.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-7411-1?

    The severity of USN-7411-1 is categorized as a denial of service vulnerability due to OpenVPN's improper handling of malformed packets.

  • How do I fix USN-7411-1?

    To fix USN-7411-1, update OpenVPN to version 2.6.12-1ubuntu1.2 or later for Ubuntu 24.10, or to version 2.6.12-0ubuntu0.24.04.3 or later for Ubuntu 24.04.

  • Can USN-7411-1 be exploited remotely?

    Yes, a remote attacker can exploit USN-7411-1 to cause OpenVPN to crash, leading to a denial of service.

  • What versions of OpenVPN are affected by USN-7411-1?

    OpenVPN versions prior to 2.6.12-1ubuntu1.2 for Ubuntu 24.10 and 2.6.12-0ubuntu0.24.04.3 for Ubuntu 24.04 are affected by USN-7411-1.

  • Is there a workaround for USN-7411-1?

    There is no official workaround for USN-7411-1; updating to the patched version is recommended to ensure security.

Contact

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