Log Message:
Subversion 1.9.7:

This is a stable security release of the Apache Subversion open source
version control system.  It fixes one security issue:

    CVE-2017-9800:
    Arbitrary code execution on clients through malicious svn+ssh URLs in
    svn:externals and svn:sync-from-url
    http://subversion.apache.org/security/CVE-2017-9800-advisory.txt