USN-2217-1: lxml vulnerability

Releases

• Ubuntu 14.04 ESM
• Ubuntu 13.10
• Ubuntu 12.04

Packages

• lxml - pythonic binding for the libxml2 and libxslt libraries

Details

It was discovered that the lxml.html.clean module incorrectly stripped
control characters. An attacked could potentially exploit this to conduct
cross-site scripting (XSS) attacks.

Update instructions

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

Ubuntu 14.04

• python-lxml - 3.3.3-1ubuntu0.1
• python3-lxml - 3.3.3-1ubuntu0.1

Ubuntu 13.10

• python-lxml - 3.2.0-1ubuntu0.1
• python3-lxml - 3.2.0-1ubuntu0.1

Ubuntu 12.04

• python-lxml - 2.3.2-1ubuntu0.2
• python3-lxml - 2.3.2-1ubuntu0.2

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

• CVE-2014-3146