CVE-2013-5705
apache2/modsecurity.c in ModSecurity before 2.7.6 allows remote attackers to bypass rules by using chunked transfer coding with a capitalized Chunked value in the Transfer-Encoding HTTP header.
Date published : 2014-04-15
https://github.com/SpiderLabs/ModSecurity/commit/f8d441cd25172fdfe5b613442fedfc0da3cc333d