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asfdemux: Check that we have enough data available before parsing bool/uint extended content descriptors

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=777955
This commit is contained in:
Sebastian Dröge 2017-01-31 13:50:21 +02:00
parent dec880031d
commit d21017b52a
1 changed files with 12 additions and 2 deletions
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14
gst/asfdemux/gstasfdemux.c
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@ -3439,7 +3439,12 @@ gst_asf_demux_process_ext_content_desc (GstASFDemux * demux, guint8 * data,
break;
}
case ASF_DEMUX_DATA_TYPE_DWORD:{
guint uint_val = GST_READ_UINT32_LE (value);
guint uint_val;
if (value_len < 4)
break;
uint_val = GST_READ_UINT32_LE (value);
/* this is the track number */
g_value_init (&tag_value, G_TYPE_UINT);
@ -3453,7 +3458,12 @@ gst_asf_demux_process_ext_content_desc (GstASFDemux * demux, guint8 * data,
}
/* Detect 3D */
case ASF_DEMUX_DATA_TYPE_BOOL:{
gboolean bool_val = GST_READ_UINT32_LE (value);
gboolean bool_val;
if (value_len < 4)
break;
bool_val = GST_READ_UINT32_LE (value);
if (strncmp ("Stereoscopic", name_utf8, strlen (name_utf8)) == 0) {
if (bool_val) {