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USN-6530-2: HAProxy vulnerability

23 July 2024

HAProxy could be made to expose sensitive information.

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Releases

Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

Seth Manesse and Paul Plasil discovered that HAProxy incorrectly handled
URI components containing the hash character (#). A remote attacker could
possibly use this issue to obtain sensitive information, or to bypass
certain path_end rules.

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 18.04
Ubuntu 16.04

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

References

Related notices

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Further reading