USN-3228-1: libevent vulnerabilities

Publication date

13 March 2017

Overview

Several security issues were fixed in libevent.


Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.10 yakkety libevent-2.0-5 –  2.0.21-stable-2ubuntu0.16.10.1
16.04 xenial libevent-2.0-5 –  2.0.21-stable-2ubuntu0.16.04.1
14.04 trusty libevent-2.0-5 –  2.0.21-stable-1ubuntu1.14.04.2
12.04 precise libevent-2.0-5 –  2.0.16-stable-1ubuntu0.2

Reduce your security exposure

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