diff options
Diffstat (limited to 'libavcodec/movtextdec.c')
| -rw-r--r-- | libavcodec/movtextdec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/movtextdec.c b/libavcodec/movtextdec.c index abf8711a9c..a33fff7518 100644 --- a/libavcodec/movtextdec.c +++ b/libavcodec/movtextdec.c @@ -471,6 +471,10 @@ static int mov_text_decode_frame(AVCodecContext *avctx, tsmb_type = AV_RB32(tsmb); tsmb += 4; + if (tsmb_size == 0) { + return AVERROR_INVALIDDATA; + } + if (tsmb_size == 1) { if (m->tracksize + 16 > avpkt->size) break; |