generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

avcodec/intelh263dec: make while get_bits loop more robust by checking bits left

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-10-30 14:23:30 +01:00
parent 810f9c5eaa
commit 94a80e36d3
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/intelh263dec.c
View File

@@ -113,6 +113,8 @@ int ff_intel_h263_decode_picture_header(MpegEncContext *s)
/* PEI */ /* PEI */
while (get_bits1(&s->gb) != 0) { while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8); skip_bits(&s->gb, 8);
if (get_bits_left(&s->gb) <= 0)
return AVERROR_INVALIDDATA;
} }
s->f_code = 1; s->f_code = 1;