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Ubuntu Security Notice USN-3841-1
December 10, 2018
lxml vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
– Ubuntu 14.04 LTS
Summary:
lxml could allow cross-site scripting (XSS) attacks.
Software Description:
– lxml: pythonic binding for the libxml2 and libxslt libraries
Details:
It was discovered that lxml incorrectly handled certain HTML files.
An attacker could possibly use this issue to conduct cross-site
scripting (XSS) attacks.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
python-lxml 4.2.1-1ubuntu0.1
python3-lxml 4.2.1-1ubuntu0.1
Ubuntu 16.04 LTS:
python-lxml 3.5.0-1ubuntu0.1
python3-lxml 3.5.0-1ubuntu0.1
Ubuntu 14.04 LTS:
python-lxml 3.3.3-1ubuntu0.2
python3-lxml 3.3.3-1ubuntu0.2
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3841-1
CVE-2018-19787
Package Information:
https://launchpad.net/ubuntu/+source/lxml/4.2.1-1ubuntu0.1
https://launchpad.net/ubuntu/+source/lxml/3.5.0-1ubuntu0.1
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