diff options
| author | Martin Storsjö <martin@martin.st> | 2013-09-28 00:41:31 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-09-29 19:56:22 +0300 |
| commit | 8d07258bb6063d0780ce2d39443d6dc6d8eedc5a (patch) | |
| tree | 8ea45e350c1271453fa229c66655c7308841b975 /libavformat/avidec.c | |
| parent | 68ff9981283a56c731f00c2ee7901103665092fc (diff) | |
avidec: Make sure a packet is large enough before reading its data
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/avidec.c')
| -rw-r--r-- | libavformat/avidec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/avidec.c b/libavformat/avidec.c index 1212c6a09b..3616281152 100644 --- a/libavformat/avidec.c +++ b/libavformat/avidec.c @@ -816,7 +816,8 @@ fail: static int read_gab2_sub(AVStream *st, AVPacket *pkt) { - if (!strcmp(pkt->data, "GAB2") && AV_RL16(pkt->data + 5) == 2) { + if (pkt->size >= 7 && + !strcmp(pkt->data, "GAB2") && AV_RL16(pkt->data + 5) == 2) { uint8_t desc[256]; int score = AVPROBE_SCORE_EXTENSION, ret; AVIStream *ast = st->priv_data; |