diff options
-rw-r--r-- | libavformat/nutdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c index ef08ad9908..4df6a57a67 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -934,7 +934,7 @@ static int read_sm_data(AVFormatContext *s, AVIOContext *bc, AVPacket *pkt, int return ret; } value_len = ffio_read_varlen(bc); - if (avio_tell(bc) + value_len >= maxpos) + if (value_len < 0 || value_len >= maxpos - avio_tell(bc)) return AVERROR_INVALIDDATA; if (!strcmp(name, "Palette")) { dst = av_packet_new_side_data(pkt, AV_PKT_DATA_PALETTE, value_len); |