diff options
| author | Dale Curtis <dalecurtis@chromium.org> | 2020-05-15 01:31:55 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-19 18:17:36 +0300 |
| commit | d2f5691e96d7a2075cf4b4da4b1bbcd872186ccb (patch) | |
| tree | 68a3a9f728b9fc81c067c08acc50e1f84dcfd472 /libavformat/mov.c | |
| parent | 558daf07e50a73228894bb2352753d706c376943 (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>
(cherry picked from commit 2d8d554f15a7a27cfeca81467cc9341a86f784e2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/mov.c')
| -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 dfa943819f..2e726d3e90 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2872,6 +2872,10 @@ 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]; } |