Revision: 4231
http://tigervnc.svn.sourceforge.net/tigervnc/?rev=4231&view=rev
Author: dcommander
Date: 2011-01-04 19:14:44 +0000 (Tue, 04 Jan 2011)
Log Message:
-----------
Further protect against bad Huffman codes
Modified Paths:
--------------
trunk/common/jpeg/jdhuff.c
Modified: trunk/common/jpeg/jdhuff.c
===================================================================
--- trunk/common/jpeg/jdhuff.c 2010-12-21 16:06:36 UTC (rev 4230)
+++ trunk/common/jpeg/jdhuff.c 2011-01-04 19:14:44 UTC (rev 4231)
@@ -658,7 +658,7 @@
symbol |= GET_BITS(1); \
size++; \
} \
- symbol = htbl->pub->huffval[ (int) (symbol + htbl->valoffset[size]) ]; \
+ symbol = htbl->pub->huffval[ (int) (symbol + htbl->valoffset[size]) & 0xFF
]; \
} \
}
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