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USN-5324-1: libxml2 vulnerability

14 March 2022

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

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Releases

Packages

Details

It was discovered that libxml2 incorrectly handled certain XML files. An
attacker could 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 21.10
Ubuntu 20.04
Ubuntu 18.04

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

References

Related notices

  • USN-5422-1: python-libxml2, python3-libxml2, libxml2, libxml2-doc, libxml2-dev, libxml2-utils

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Further reading