Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/mov.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index fd78d5f59c..3aa2398386 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -8482,7 +8482,8 @@ static int mov_read_iloc(MOVContext *c, AVIOContext *pb,
MOVAtom atom)
}
for (int j = 0; j < extent_count; j++) {
if (rb_size(pb, &extent_offset, offset_size) < 0 ||
- rb_size(pb, &extent_length, length_size) < 0)
+ rb_size(pb, &extent_length, length_size) < 0 ||
+ base_offset > INT64_MAX - extent_offset)
return AVERROR_INVALIDDATA;
if (offset_type == 1)
c->heif_item[i].is_idat_relative = 1;
--
2.45.2
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