Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/mxfdec.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index e484db052ef..37446963369 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1245,9 +1245,13 @@ static int mxf_read_index_entry_array(AVIOContext *pb,
MXFIndexTableSegment *seg
static int mxf_read_index_table_segment(void *arg, AVIOContext *pb, int tag,
int size, UID uid, int64_t klv_offset)
{
MXFIndexTableSegment *segment = arg;
+ int tmp;
switch(tag) {
case 0x3F05:
- segment->edit_unit_byte_count = avio_rb32(pb);
+ tmp = avio_rb32(pb);
+ if (tmp < 0)
+ return AVERROR_INVALIDDATA;
+ segment->edit_unit_byte_count = tmp;
av_log(NULL, AV_LOG_TRACE, "EditUnitByteCount %d\n",
segment->edit_unit_byte_count);
break;
case 0x3F06:
--
2.17.1
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