Debian: DSA-4194-1 Moderate: xml external entity expansion

An XML external entity expansion vulnerability was discovered in the
DataImportHandler of Solr, a search server based on Lucene, which could
result in information disclosure.

For the oldstable distribution (jessie), this problem has been fixed
in version 3.6.2+dfsg-5+deb8u2.

For the stable distribution (stretch), this problem has been fixed in
version 3.6.2+dfsg-10+deb9u2.

We recommend that you upgrade your lucene-solr packages.

For the detailed security status of lucene-solr please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/lucene-solr

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/