USN-7467-2: libxml2 vulnerabilities

28 April 2025

Several security issues were fixed in libxml2.

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Details

USN-7467-1 fixed several vulnerabilities in libxml2. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that the libxml2 Python bindings incorrectly handled
certain return values. An attacker could possibly use this issue to cause
libxml2 to crash, resulting in a denial of service. (CVE-2025-32414)

It was discovered that libxml2 incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause
libxml2 to crash, resulting in a denial of service. (CVE-2025-32415)

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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

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

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