CVE-2024-47601 GHSL-2024-249: GStreamer has a NULL-pointer dereference in Matroska/WebM demuxer

GStreamer is a library for constructing graphs of media-handling components. A null pointer dereference vulnerability has been discovered in the gstmatroskademuxparseblockgrouporsimpleblock function within matroska-demux.c. This function does not properly check the validity of the GstBuffer sub...