mpeg12: Pad framerate tab to 16 entries.
authorAlex Converse <alex.converse@gmail.com>
Fri, 27 Jan 2012 23:50:24 +0000 (15:50 -0800)
committerAlex Converse <alex.converse@gmail.com>
Tue, 6 Mar 2012 23:28:00 +0000 (15:28 -0800)
There are many places where we read an unchecked 4-bit index into it.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
(cherry picked from commit dfa37fe8a3d9243dd339d94befa065e2c90b29e6)

libavcodec/mpeg12data.c

index 5ac8c24..a0dd6e5 100644 (file)
@@ -305,7 +305,7 @@ const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = {
 { 0xc, 10 },
 };
 
-const AVRational avpriv_frame_rate_tab[] = {
+const AVRational avpriv_frame_rate_tab[16] = {
     {    0,    0},
     {24000, 1001},
     {   24,    1},