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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-06-01 15:51:50 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-06-09 21:07:43 +0200 |
| commit | 89409be50c212519f6313ad9144d7c5b17867728 (patch) | |
| tree | ad4c2f90d5d4dfafc91371ca5c10d62f88479936 | |
| parent | a4bf9033c37897dbef39daaf073a8ecdb5c0888c (diff) | |
| download | ffmpeg-89409be50c212519f6313ad9144d7c5b17867728.tar.gz | |
yopdec: check that palette fits in the packet
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b6fdf8dea7aaf3cb9a979dce91f752c2ce3086a3)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/yop.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/yop.c b/libavcodec/yop.c index 40d9f7a818..21ccabd243 100644 --- a/libavcodec/yop.c +++ b/libavcodec/yop.c @@ -205,6 +205,11 @@ static int yop_decode_frame(AVCodecContext *avctx, void *data, int *data_size, if (s->frame.data[0]) avctx->release_buffer(avctx, &s->frame); + if (avpkt->size < 4 + 3*s->num_pal_colors) { + av_log(avctx, AV_LOG_ERROR, "packet of size %d too small\n", avpkt->size); + return AVERROR_INVALIDDATA; + } + ret = avctx->get_buffer(avctx, &s->frame); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); |