[USN-4896-2] lxml vulnerability

========================================================================== Ubuntu Security Notice USN-4896-2 April 08, 2021
lxml vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
Summary:
lxml could allow cross-site scripting (XSS) attacks.
Software Description: – lxml: pythonic binding for the libxml2 and libxslt libraries
Details:
USN-4896-1 fixed a vulnerability in lxml. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that lxml incorrectly handled certain HTML attributes. A remote attacker could possibly use this issue to perform cross-site scripting (XSS) attacks.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.04 ESM: python-lxml 3.3.3-1ubuntu0.2+esm3 python3-lxml 3.3.3-1ubuntu0.2+esm3
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4896-2 ubuntu.com/security/notices/USN-4896-1 CVE-2021-28957