diff options
| author | Dale Curtis <dalecurtis@chromium.org> | 2020-05-14 15:31:55 -0700 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-15 22:03:36 +0200 |
| commit | 2d8d554f15a7a27cfeca81467cc9341a86f784e2 (patch) | |
| tree | c03a2b241a47be2df0e38662a1efc4b420a9054d /libavformat | |
| parent | ed7d73355eea21e08eea01f8fabc1644f15b66e4 (diff) | |
avformat/mov: Don't allow negative sample sizes.
Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/mov.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index ad718cdaa2..93648994eb 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2885,6 +2885,10 @@ static int mov_read_stsz(MOVContext *c, AVIOContext *pb, MOVAtom atom) for (i = 0; i < entries && !pb->eof_reached; i++) { sc->sample_sizes[i] = get_bits_long(&gb, field_size); + if (sc->sample_sizes[i] < 0) { + av_log(c->fc, AV_LOG_ERROR, "Invalid sample size %d\n", sc->sample_sizes[i]); + return AVERROR_INVALIDDATA; + } sc->data_size += sc->sample_sizes[i]; } |