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USN-6658-2: libxml2 vulnerability

11 March 2024

libxml2 could be made to crash or run programs if it opened a specially crafted file.

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Releases

Packages

Details

USN-6658-1 fixed a vulnerability in libxml2. This update
provides the corresponding updates for Ubuntu 14.04 LTS,
Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that libxml2 incorrectly handled certain XML documents. A
remote attacker could possibly use this issue to cause libxml2 to crash,
resulting in a denial of service, or possibly execute arbitrary code.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-6658-1: libxml2, libxml2-utils, python-libxml2, python3-libxml2, libxml2-dev, libxml2-doc

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Further reading