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-rw-r--r--libavformat/oggparseogm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/oggparseogm.c b/libavformat/oggparseogm.c
index e7a501b5a7..fad093b629 100644
--- a/libavformat/oggparseogm.c
+++ b/libavformat/oggparseogm.c
@@ -110,6 +110,7 @@ ogm_header(AVFormatContext *s, int idx)
size -= 52;
if (bytestream2_get_bytes_left(&p) < size)
return AVERROR_INVALIDDATA;
+ av_freep(&st->codecpar->extradata);
if (ff_alloc_extradata(st->codecpar, size) < 0)
return AVERROR(ENOMEM);
bytestream2_get_buffer(&p, st->codecpar->extradata, st->codecpar->extradata_size);