=========================================================================Ubuntu Security Notice USN-3421-1
September 18, 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 versions:

Ubuntu 17.04:
  idn2                            0.16-1ubuntu0.1
  libidn2-0                       0.16-1ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-3421-1
  CVE-2017-14062

Package Information:
  https://launchpad.net/ubuntu/+source/libidn2-0/0.16-1ubuntu0.1

Ubuntu 3421-1: Libidn2 vulnerability

September 18, 2017
Libidn2 could be made to crash if it received specially crafted input.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04:   idn2                            0.16-1ubuntu0.1   libidn2-0                       0.16-1ubuntu0.1 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-3421-1

  CVE-2017-14062

Severity
September 18, 2017

Package Information

  https://launchpad.net/ubuntu/+source/libidn2-0/0.16-1ubuntu0.1

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