Attachment 1352 Details for Bug 4001 – re-diffed patch for CVE-2011-0723

[patch] re-diffed patch for CVE-2011-0723

ffmpeg-CVE-2011-0723.patch (text/plain), 539 bytes, created by David Walser on 2012-01-09 17:27:19 CET

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Creator: David Walser

Created: 2012-01-09 17:27:19 CET

Size: 539 bytes

patch

obsolete

--- ffmpeg/libavcodec/vc1dec.c~	2010-09-26 09:56:50.000000000 -0400
+++ ffmpeg/libavcodec/vc1dec.c	2012-01-09 11:26:33.257781057 -0500
@@ -1375,7 +1375,7 @@
     if (index != vc1_ac_sizes[codingset] - 1) {
         run = vc1_index_decode_table[codingset][index][0];
         level = vc1_index_decode_table[codingset][index][1];
-        lst = index >= vc1_last_decode_table[codingset];
+        lst = index >= vc1_last_decode_table[codingset] || get_bits_left(gb) < 0;
         if(get_bits1(gb))
             level = -level;
     } else {

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