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Sicherheit: Mehrere Probleme in libevent
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in libevent
ID: USN-3228-1
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 16.10
Datum: Di, 14. März 2017, 07:34
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10197
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10195
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10196

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <847c36a4-03e0-7140-5a72-a84bfdcc21bb@canonical.com>
Subject: [USN-3228-1] libevent vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3228-1
March 13, 2017

libevent vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in libevent.

Software Description:
- libevent: Asynchronous event notification library

Details:

Guido Vranken discovered that libevent incorrectly handled memory when
processing certain data. A remote attacker could possibly use this issue
with an application that uses libevent to cause a denial of service, or
possibly execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.10:
libevent-2.0-5 2.0.21-stable-2ubuntu0.16.10.1

Ubuntu 16.04 LTS:
libevent-2.0-5 2.0.21-stable-2ubuntu0.16.04.1

Ubuntu 14.04 LTS:
libevent-2.0-5 2.0.21-stable-1ubuntu1.14.04.2

Ubuntu 12.04 LTS:
libevent-2.0-5 2.0.16-stable-1ubuntu0.2

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

References:
http://www.ubuntu.com/usn/usn-3228-1
CVE-2016-10195, CVE-2016-10196, CVE-2016-10197

Package Information:
https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-2ubuntu0.16.10.1
https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-2ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-1ubuntu1.14.04.2
https://launchpad.net/ubuntu/+source/libevent/2.0.16-stable-1ubuntu0.2



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