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Code Issues Releases Activity

mov: Do not read past the end of the ctts_data table.

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
This commit is contained in:
Alex Converse
2012-03-21 11:24:10 -07:00
parent 3e6e89b3d6
commit 86f2ae06b9
1 changed files with 1 additions and 1 deletions
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2
libavformat/mov.c
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@@ -2713,7 +2713,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->stream_index = sc->ffindex;
pkt->dts = sample->timestamp;
if (sc->ctts_data) {
if (sc->ctts_data && sc->ctts_index < sc->ctts_count) {
pkt->pts = pkt->dts + sc->dts_shift + sc->ctts_data[sc->ctts_index].duration;
/* update ctts context */
sc->ctts_sample++;