The html_context_handle_element function in gst/subparse/samiparse.c in gst-plugins-base in GStreamer before 1.10.3 allows remote attackers to cause a denial of service (out-of-bounds write) via a crafted SMI file, as demonstrated by OneNote_Manager.smi. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5842
