File gstreamer-CVE-2022-1920.patch of Package gstreamer-0_10-plugins-good.25653

diff -urp gst-plugins-good-0.10.31.orig/gst/matroska/matroska-demux.c gst-plugins-good-0.10.31/gst/matroska/matroska-demux.c
--- gst-plugins-good-0.10.31.orig/gst/matroska/matroska-demux.c	2012-02-15 17:45:58.000000000 -0600
+++ gst-plugins-good-0.10.31/gst/matroska/matroska-demux.c	2022-08-22 13:15:45.960077596 -0500
@@ -2790,7 +2790,8 @@ gst_matroska_demux_add_wvpk_header (GstE
     guint8 *outdata;
     guint outpos = 0;
     guint size;
-    guint32 block_samples, flags, crc, blocksize;
+    guint32 block_samples, flags, crc;
+    gsize blocksize;
 
     data = GST_BUFFER_DATA (*buf);
     size = GST_BUFFER_SIZE (*buf);
@@ -2815,6 +2816,11 @@ gst_matroska_demux_add_wvpk_header (GstE
       data += 4;
       size -= 4;
 
+      if (blocksize > G_MAXSIZE - 32) {
+        GST_ERROR_OBJECT (element, "Too big wavpack buffer");
+        return GST_FLOW_ERROR;
+      }
+
       if (blocksize == 0 || size < blocksize)
         break;