[USN-4619-1] dom4j vulnerability

[Avital Ostromich]

==========================================================================
Ubuntu Security Notice USN-4619-1
November 05, 2020

dom4j vulnerability
==========================================================================

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

- Ubuntu 16.04 LTS

Summary:

dom4j could be made to crash or run programs if it received a specially
crafted file.

Software Description:
- dom4j: Flexible XML framework for Java

Details:

Mário Areias discovered that dom4j did not properly validate XML document
elements. An attacker could exploit this with a crafted XML file to cause
dom4j to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-1000632)

Update instructions:

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

Ubuntu 16.04 LTS:
  libdom4j-java                   1.6.1+dfsg.3-2ubuntu1.2

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

References:
  https://usn.ubuntu.com/4619-1
  CVE-2018-1000632

Package Information:
  https://launchpad.net/ubuntu/+source/dom4j/1.6.1+dfsg.3-2ubuntu1.2


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