1. Ubuntu Security Notices
  2. USN-5324-1

USN-5324-1: libxml2 vulnerability

Publication date

14 March 2022

Overview

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

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.

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
21.10 impish libxml2 –  2.9.12+dfsg-4ubuntu0.1
libxml2-utils –  2.9.12+dfsg-4ubuntu0.1
20.04 focal libxml2-utils –  2.9.10+dfsg-5ubuntu0.20.04.2
libxml2 –  2.9.10+dfsg-5ubuntu0.20.04.2
18.04 bionic libxml2-utils –  2.9.4+dfsg1-6.1ubuntu1.5
libxml2 –  2.9.4+dfsg1-6.1ubuntu1.5

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References

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