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1-byte buffer underflow in flex.


From: cyrus
Subject: 1-byte buffer underflow in flex.
Date: Mon, 21 Apr 2003 16:31:00 -0700
User-agent: Mutt/1.2.5.1i

Hi,

There is a 1-byte buffer underflow in yy_scan_bytes() due to its
use of a mix of signed/unsigned integers to track buffer sizes.  If
sent a 'len' parameter of 4294967295, yy_scan_bytes() will write
YY_END_OF_BUFFER_CHAR to the byte preceeding the 'buf' storage area.

-- 
cyrus.
<address@hidden>

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