USN-7135-1: HAProxy vulnerability

3 December 2024

HAProxy could allow unintended access to network services.

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Releases

Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

Bahruz Jabiyev, Anthony Gavazzi, Engin Kirda, Kaan Onarlioglu, Adi Peleg,
and Harvey Tuch discovered that HAProxy incorrectly handled empty header
names. A remote attacker could possibly use this issue to manipulate
headers and bypass certain authentication checks and restrictions.

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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

References

Related notices

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Further reading