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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.

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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: python3-libxml2, libxml2-utils, python-libxml2, libxml2-dev, libxml2-doc, libxml2

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Further reading