Headline
Ubuntu Security Notice USN-5548-1
Ubuntu Security Notice 5548-1 - It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to execute arbitrary code.
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Ubuntu Security Notice USN-5548-1
August 04, 2022
libxml2 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
Summary:
libxml2 could be made to execute arbitrary code if it received
a specially crafted file.
Software Description:
- libxml2: GNOME XML library
Details:
It was discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
libxml2 2.9.10+dfsg-5ubuntu0.20.04.4
libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.4
Ubuntu 18.04 LTS:
libxml2 2.9.4+dfsg1-6.1ubuntu1.7
libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.7
Ubuntu 16.04 ESM:
libxml2 2.9.3+dfsg1-1ubuntu0.7+esm3
libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5548-1
CVE-2016-3709
Package Information:
https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.4
https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.7
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