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-rw-r--r--ext/ivorbis/vorbis.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/ext/ivorbis/vorbis.c b/ext/ivorbis/vorbis.c
index 4a95c14e..65ef4b06 100644
--- a/ext/ivorbis/vorbis.c
+++ b/ext/ivorbis/vorbis.c
@@ -83,7 +83,12 @@ static GstTypeDefinition vorbisdefinition = {
static GstCaps*
vorbis_type_find (GstBuffer *buf, gpointer private)
{
- guint32 head = GUINT32_FROM_BE (*((guint32 *)GST_BUFFER_DATA (buf)));
+ guint32 head;
+
+ if (GST_BUFFER_SIZE (buf) < 4)
+ return NULL;
+
+ head = GUINT32_FROM_BE (*((guint32 *)GST_BUFFER_DATA (buf)));
if (head != 0x4F676753)
return NULL;