diff options
Diffstat (limited to 'libavcodec/vp56.c')
| -rw-r--r-- | libavcodec/vp56.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c index cbac71bc93..36027b43f1 100644 --- a/libavcodec/vp56.c +++ b/libavcodec/vp56.c @@ -504,8 +504,12 @@ int vp56_decode_frame(AVCodecContext *avctx, void *data, int *data_size, int is_alpha, av_uninit(alpha_offset); if (s->has_alpha) { + if (remaining_buf_size < 3) + return -1; alpha_offset = bytestream_get_be24(&buf); remaining_buf_size -= 3; + if (remaining_buf_size < alpha_offset) + return -1; } for (is_alpha=0; is_alpha < 1+s->has_alpha; is_alpha++) { |