USN-6484-1: OpenVPN vulnerabilities

16 November 2023

Several security issues were fixed in OpenVPN.

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Releases

Packages

  • openvpn - virtual private network software

Details

It was discovered that OpenVPN incorrectly handled the --fragment option
in certain configurations. A remote attacker could possibly use this issue
to cause OpenVPN to crash, resulting in a denial of service.
(CVE-2023-46849)

It was discovered that OpenVPN incorrectly handled certain memory
operations. A remote attacker could use this issue to cause OpenVPN to
crash, obtain sensitive information, or possibly execute arbitrary code.
(CVE-2023-46850)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.10
Ubuntu 23.04

In general, a standard system update will make all the necessary changes.

References

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Further reading