virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-19 05:49:09 +02:00
Code Issues Releases Activity

wmv1: check that the input buffer is large enough

Browse Source 
Fixes null ptr deref
Fixes Ticket1367

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f23a2418fb0ccc56fdae4dbf83a5994cc917c475)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-01 21:42:29 +02:00
parent cc511b36f3
commit 48ef116631
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/wnv1.c
View File

@ -67,6 +67,11 @@ static int decode_frame(AVCodecContext *avctx,
int prev_y = 0, prev_u = 0, prev_v = 0;
uint8_t *rbuf;
if(buf_size<=8) {
av_log(avctx, AV_LOG_ERROR, "buf_size %d is too small\n", buf_size);
return AVERROR_INVALIDDATA;
}
rbuf = av_malloc(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
if(!rbuf){
av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n");