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qtdemux: avoid looping indefinitely in broken svq3 files
[platform/upstream/gst-plugins-good.git]
/
gst
/
isomp4
/
qtdemux.c
diff --git
a/gst/isomp4/qtdemux.c
b/gst/isomp4/qtdemux.c
index
2824dca
..
7df6259
100644
(file)
--- a/
gst/isomp4/qtdemux.c
+++ b/
gst/isomp4/qtdemux.c
@@
-6914,6
+6914,12
@@
qtdemux_parse_svq3_stsd_data (GstQTDemux * qtdemux, GNode * stsd,
fourcc = QT_FOURCC (stsd_data + 4);
data = stsd_data + 8;
+ if (size == 0) {
+ GST_WARNING_OBJECT (qtdemux, "Atom of size 0 found, aborting "
+ "svq3 atom parsing");
+ goto end;
+ }
+
switch (fourcc) {
case FOURCC_gama:{
if (size == 12) {