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Ubuntu 14.04, 16.04, 18.04 Security Notice USN-3841-1 Moderate: lxml XSS

ubuntu
Calendar Grey December 10, 2018
Dist Ubuntu Esm H88
lxml security flaw enables cross-site scripting threats. Ensure Ubuntu 14.04, 16.04, and 18.04 systems are updated without delay.
lxml could allow cross-site scripting (XSS) attacks.

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.

Topics%20covered

Topics Covered

security advisory cross-site scripting Ubuntu moderate severity lxml

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://ubuntu.com/security/notices/USN-3841-1

  CVE-2018-19787

December 10, 2018

Topics%20covered

Topics Covered

security advisory cross-site scripting Ubuntu moderate severity lxml

Package Information

  https://launchpad.net/ubuntu/+source/lxml/4.2.1-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/lxml/3.5.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/lxml/3.3.3-1ubuntu0.2

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