The AJP connector in Apache Tomcat 5.5.15 uses an incorrect length for chunks, which can cause a buffer over-read in the ajp_process_callback in mod_jk, which allows remote attackers to read portions of sensitive memory.
issues.apache.org/bugzilla/show_bug.cgi?id=38859
www.redhat.com/support/errata/RHSA-2008-0261.html
www.securityfocus.com/bid/28477
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