USN-3421-1: Libidn2 vulnerability
Ubuntu Security Notice USN-3421-1
18th September, 2017
libidn2-0 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
Summary
Libidn2 could be made to crash if it received specially crafted input.
Software description
- 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.
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.04:
- libidn2-0 0.16-1ubuntu0.1
- idn2 0.16-1ubuntu0.1
To update your system, please follow these instructions: http://ift.tt/17VXqjU.
In general, a standard system update will make all the necessary changes.
References
from Ubuntu Security Notices http://ift.tt/2y9UobZ