Integer overflow in matroskademux element in gst_matroska_demux_add_wvpk_header function which allows a heap overwrite while parsing matroska files. Potential for arbitrary code execution through heap overwrite.Referenceshttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1226https://lists.debian.org/debian-lts-announce/2022/08/msg00001.htmlhttps://www.debian.org/security/2022/dsa-5204