18 October 2017, Apache Solr™ 6.6.2 available

The Lucene PMC is pleased to announce the release of Apache Solr 6.6.2

Solr is the popular, blazing fast, open source NoSQL search platform from the 
Apache Lucene project. Its major features include powerful full-text search, 
hit highlighting, faceted search and analytics, rich document parsing, 
geospatial search, extensive REST APIs as well as parallel SQL. Solr is 
enterprise grade, secure and highly scalable, providing fault tolerant 
distributed search and indexing, and powers the search and navigation features 
of many of the world's largest internet sites.

This release includes a critical security fix and a bugfix. Details:

* Fix for a 0-day exploit (CVE-2017-12629), details: https://s.apache.org/FJDl
  RunExecutableListener has been disabled by default (can be enabled by 
  -Dsolr.enableRunExecutableListener=true) and resolving external entities in 
  the XML query parser (defType=xmlparser or {!xmlparser ... }) is disabled by

* Fix a bug where Solr was attempting to load the same core twice (Error message:
  "Lock held by this virtual machine").

Furthermore, this release includes Apache Lucene 6.6.2 which includes one security
fix since the 6.6.1 release.

The release is available for immediate download at:


Please read CHANGES.txt for a detailed list of changes:


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