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Ubuntu Security Notice USN-2338-1
September 03, 2014

lua5.1 vulnerability
==========================================================================

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

– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

Lua could be made to crash or run programs.

Software Description:
– lua5.1: Simple, extensible, embeddable programming language

Details:

It was discovered that Lua incorrectly handled certain vararg functions
with a large number of fixed parameters. An attacker could use this issue
to cause Lua applications to crash, resulting in 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 14.04 LTS:
liblua5.1-0 5.1.5-5ubuntu0.1
lua5.1 5.1.5-5ubuntu0.1

Ubuntu 12.04 LTS:
liblua5.1-0 5.1.4-12ubuntu1.1
lua5.1 5.1.4-12ubuntu1.1

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

References:
http://www.ubuntu.com/usn/usn-2338-1
CVE-2014-5461

Package Information:
https://launchpad.net/ubuntu/+source/lua5.1/5.1.5-5ubuntu0.1
https://launchpad.net/ubuntu/+source/lua5.1/5.1.4-12ubuntu1.1

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