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Ubuntu Security Notice USN-3841-2
December 10, 2018
lxml vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 12.04 ESM
Summary:
lxml could allow cross-site scripting (XSS) attacks.
Software Description:
– lxml: pythonic binding for the libxml2 and libxslt libraries
Details:
USN-3841-1 fixed a vulnerability in lxml. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory 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 12.04 ESM:
python-lxml 2.3.2-1ubuntu0.3
python3-lxml 2.3.2-1ubuntu0.3
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3841-2
https://usn.ubuntu.com/usn/usn-3841-1
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