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USN-3421-1: Libidn2 vulnerability

18 September 2017

Libidn2 could be made to crash if it received specially crafted input.

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Releases

Packages

  • libidn2-0 - Internationalized domain names (IDNA2008) library

Details

It was discovered that Libidn2 incorrectly handled certain input. A
remote attacker could possibly use this issue to cause Libidn2 to crash,
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 17.04

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

References

Related notices

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Further reading