USN-4259-1: Apache Solr vulnerability

29 January 2020

Apache Solr vulnerability

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

  • Ubuntu 16.04 LTS


Apache Solr could be made to run programs if it received specially crafted network traffic.

Software Description

  • lucene-solr - Full-text search engine library for Java - additional libraries


Michael Stepankin and Olga Barinova discovered that Apache Solr was vulnerable to an XXE attack. An attacker could use this vulnerability to remotely execute code.

Update instructions

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

Ubuntu 16.04 LTS
liblucene3-contrib-java - 3.6.2+dfsg-8ubuntu0.1
liblucene3-java - 3.6.2+dfsg-8ubuntu0.1
libsolr-java - 3.6.2+dfsg-8ubuntu0.1
solr-common - 3.6.2+dfsg-8ubuntu0.1
solr-jetty - 3.6.2+dfsg-8ubuntu0.1
solr-tomcat - 3.6.2+dfsg-8ubuntu0.1

To update your system, please follow these instructions:

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