New CDATA fast filter throws Exception
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Key: MYFACES-3476
URL: https://issues.apache.org/jira/browse/MYFACES-3476
Project: MyFaces Core
Issue Type: Bug
Components: JSR-314
Affects Versions: 2.0.12
Environment: MyFaces 2.0.12, Richfaces 4.1.0.Final, Tomcat 6, Linux
Reporter: James G
Priority: Critical
When the filter (CDataEndEscapeFilterWriter) parses 2 CDATA End tags, it passes
an incorrect length to the writer throwing an exception further down the stack.
The incorrect length comes from the method write(char[] cbuf, int off, int
len). On the second match of the end tag the (offset+length) passed to the
super.write can be greater than the (offset+length) passed to the method.
Suggested fix:
change index = i+1; to index = off+i+1; and
change super.write(cbuf, index, i+1);
to super.write(cbuf, index, i+1 - ( index - off ) );
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