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

xan: fix out of array read

Browse Source 
Fixes ticket1360

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 01900fcc45e99ee4556e0a5d87ff57b2f150dad4)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-28 17:04:38 +02:00
parent 0f9098cb18
commit 7f8059bdfe
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/xan.c
View File

@ -517,6 +517,10 @@ static int xan_decode_frame(AVCodecContext *avctx,
int i;
tag = bytestream_get_le32(&buf);
size = bytestream_get_be32(&buf);
if(size < 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid tag size %d\n", size);
return AVERROR_INVALIDDATA;
}
size = FFMIN(size, buf_end - buf);
switch (tag) {
case PALT_TAG: