gstreamer1-plugins-ugly-free: GStreamer: Out-of-bounds read in RealMedia demuxer audio stream header parser

A vulnerability was found in the GStreamer RealMedia demuxer gst-plugins-ugly. When processing a RealMedia .rm file, the demuxer parses MDPR media properties chunks to configure audio streams. For audio stream header versions 4 and 5, the parser reads fields such as codec type, packet size, sampl...