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-rw-r--r--demux/demux_mkv.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/demux/demux_mkv.c b/demux/demux_mkv.c
index 6d2e16df1c..2a0f5c08b3 100644
--- a/demux/demux_mkv.c
+++ b/demux/demux_mkv.c
@@ -345,6 +345,10 @@ static int demux_mkv_read_info(demuxer_t *demuxer)
if (info.n_timecode_scale) {
mkv_d->tc_scale = info.timecode_scale;
MP_VERBOSE(demuxer, "| + timecode scale: %" PRIu64 "\n", mkv_d->tc_scale);
+ if (mkv_d->tc_scale < 1 || mkv_d->tc_scale > INT_MAX) {
+ res = -1;
+ goto out;
+ }
}
if (info.n_duration) {
mkv_d->duration = info.duration * mkv_d->tc_scale / 1e9;