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-rw-r--r--libavformat/mov.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 67dcbd5b7a..24c85e43bb 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -5041,6 +5041,8 @@ static int mov_read_sidx(MOVContext *c, AVIOContext *pb, MOVAtom atom)
avio_rb16(pb); // reserved
item_count = avio_rb16(pb);
+ if (item_count == 0)
+ return AVERROR_INVALIDDATA;
for (i = 0; i < item_count; i++) {
int index;