ffmpeg | branch: release/2.8 | Dale Curtis <dalecur...@chromium.org> | Thu May 14 15:31:55 2020 -0700| [832ae51f9b4ce1003c2e817900b0332d1df457f7] | committer: Michael Niedermayer
avformat/mov: Don't allow negative sample sizes. Signed-off-by: Dale Curtis <dalecur...@chromium.org> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 2d8d554f15a7a27cfeca81467cc9341a86f784e2) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=832ae51f9b4ce1003c2e817900b0332d1df457f7 --- libavformat/mov.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index cc56c8792a..10b0c1d7e7 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2417,6 +2417,10 @@ 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]; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
