[USN-3841-2] lxml vulnerability

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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:

=C2=A0It was discovered that lxml incorrectly handled certain HTML files.
=C2=A0An attacker could possibly use this issue to conduct cross-site
=C2=A0scripting (XSS) attacks.

Update instructions:

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

Ubuntu 12.04 ESM:
=C2=A0 python-lxml=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.3.2-=
1ubuntu0.3
=C2=A0 python3-lxml=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A02.3.2-1ub=
untu0.3

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

References:
=C2=A0 https://usn.ubuntu.com/usn/usn-3841-2
=C2=A0 https://usn.ubuntu.com/usn/usn-3841-1
=C2=A0 CVE-2018-19787
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