Signed-off-by: Zane van Iperen <z...@zanevaniperen.com>
---
libavformat/argo_asf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/argo_asf.c b/libavformat/argo_asf.c
index bf9b5d0c0a..208280b4d9 100644
--- a/libavformat/argo_asf.c
+++ b/libavformat/argo_asf.c
@@ -144,6 +144,9 @@ static int argo_asf_read_header(AVFormatContext *s)
argo_asf_parse_file_header(&asf->fhdr, buf);
+ if (asf->fhdr.magic != ASF_TAG)
+ return AVERROR_INVALIDDATA;
+
if (asf->fhdr.num_chunks == 0) {
return AVERROR_INVALIDDATA;
} else if (asf->fhdr.num_chunks > 1) {
--
2.25.4
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