check num_tracks bound (#880)

justdan96 · Jun 5, 2024 · 9565fe6 · 9565fe6
1 parent cb04552
commit 9565fe6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tsMuxer/movDemuxer.cpp b/tsMuxer/movDemuxer.cpp
@@ -1137,6 +1137,8 @@ int MovDemuxer::mov_read_trex(MOVAtom atom)
 int MovDemuxer::mov_read_trak(MOVAtom atom)
 {
     const auto sc = new MOVStreamContext();
+    if (num_tracks >= MAX_STREAMS)
+        THROW(ERR_COMMON, "too many trak detected")
     Track* st = tracks[num_tracks] = sc;
     num_tracks++;
     st->type = IOContextTrackType::DATA;