Check index in mjpeg AC decode against overflowing.
authorMichael Niedermayer <michaelni@gmx.at>
Thu, 21 Oct 2010 22:44:44 +0000 (22:44 +0000)
committerMichael Niedermayer <michaelni@gmx.at>
Thu, 21 Oct 2010 22:44:44 +0000 (22:44 +0000)
commit2111a191ebec422cf7781225cbcfdd69e71afce1
tree7e67b4dec1e36cb4d098eaab1af49805a4dd6430
parent5675a11f9277b5c7b1c9ad45da893e9ef9a42f03
Check index in mjpeg AC decode against overflowing.
This fixes a possibly exploitable buffer overflow and it will likely also be needed for future overreading fixes.

Originally committed as revision 25546 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/mjpegdec.c