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Ubuntu Security Notice USN-5525-1
July 20, 2022

libxml-security-java vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Apache XML Security for Java could be made to expose sensitive information.

Software Description:
- libxml-security-java: Apache XML Security for Java

Details:

It was discovered that Apache XML Security for Java incorrectly passed a
configuration property when creating specific key elements. This allows an
attacker to abuse an XPath Transform to extract sensitive information.

Update instructions:

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

Ubuntu 20.04 LTS:
libxml-security-java 2.0.10-2+deb11u1build0.20.04.1

Ubuntu 18.04 LTS:
libxml-security-java 2.0.10-2~18.04.1

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

References:
https://ubuntu.com/security/notices/USN-5525-1
CVE-2021-40690

Package Information:
https://launchpad.net/ubuntu/+source/libxml-security-java/2.0.10-2+deb11u1build0.20.04.1
https://launchpad.net/ubuntu/+source/libxml-security-java/2.0.10-2~18.04.1