USN-2477-1: libevent vulnerability

Publication date

19 January 2015

Overview

libevent could be made to crash or run programs if it processed specially crafted data.


Packages

  • libevent - Asynchronous event notification library

Details

Andrew Bartlett discovered that libevent incorrectly handled large inputs
to the evbuffer API. 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.

Andrew Bartlett discovered that libevent incorrectly handled large inputs
to the evbuffer API. 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
14.10 utopic libevent-2.0-5 –  2.0.21-stable-1ubuntu1.14.10.1
14.04 trusty libevent-2.0-5 –  2.0.21-stable-1ubuntu1.14.04.1
12.04 precise libevent-2.0-5 –  2.0.16-stable-1ubuntu0.1
10.04 lucid libevent-1.4-2 –  1.4.13-stable-1ubuntu0.1

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