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Sicherheit: Denial of Service in Libidn2
Aktuelle Meldungen Distributionen
Name: Denial of Service in Libidn2
ID: USN-3421-1
Distribution: Ubuntu
Plattformen: Ubuntu 17.04
Datum: Di, 19. September 2017, 06:52
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14062

Originalnachricht


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==========================================================================
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://www.ubuntu.com/usn/usn-3421-1
  CVE-2017-14062

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

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