ffmpeg | branch: release/5.1 | Michael Niedermayer <mich...@niedermayer.cc> | Tue Mar 26 00:57:33 2024 +0100| [1810072c2bfd67c099418c36fd9b890ac3ce453b] | committer: Michael Niedermayer
avformat/matroskadec: Check timescale Fixes: 3.82046e+18 is outside the range of representable values of type 'unsigned int' Fixes: 62276/clusterfuzz-testcase-minimized-ffmpeg_dem_WEBM_DASH_MANIFEST_fuzzer-6381436594421760 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit e849eb23432e45d0a1fda3901bb84eff0ce91282) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1810072c2bfd67c099418c36fd9b890ac3ce453b --- libavformat/matroskadec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 78a11262f1..3d85e63ca9 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -2824,6 +2824,10 @@ static int matroska_parse_tracks(AVFormatContext *s) track->time_scale); track->time_scale = 1.0; } + + if (matroska->time_scale * track->time_scale > UINT_MAX) + return AVERROR_INVALIDDATA; + avpriv_set_pts_info(st, 64, matroska->time_scale * track->time_scale, 1000 * 1000 * 1000); /* 64 bit pts in ns */ _______________________________________________ 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".
