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USN-2484-1: Unbound vulnerability

26 January 2015

Unbound could be made to consume resources if it received specially crafted network traffic.

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Releases

Packages

  • unbound - validating, recursive, caching DNS resolver

Details

Florian Maury discovered that Unbound incorrectly handled delegation. A
remote attacker could possibly use this issue to cause Unbound to consume
resources, resulting in a denial of service.

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 14.10
Ubuntu 14.04

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

References

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Further reading