gstreamer-plugins-bad-free is vulnerable to denial of service (DoS) attacks. The vulnerability exists as an integer overflow in the vmnc decoder in the gstreamer allows remote attackers to cause a denial of service (crash) via large width and height values, which triggers a buffer overflow.
rhn.redhat.com/errata/RHSA-2016-2974.html
rhn.redhat.com/errata/RHSA-2017-0018.html
rhn.redhat.com/errata/RHSA-2017-0021.html
www.openwall.com/lists/oss-security/2016/11/18/12
www.openwall.com/lists/oss-security/2016/11/18/13
www.securityfocus.com/bid/94421
access.redhat.com/errata/RHSA-2016:2974
access.redhat.com/security/updates/classification/#important
bugzilla.gnome.org/show_bug.cgi?id=774533
cgit.freedesktop.org/gstreamer/gst-plugins-bad/commit/gst/vmnc/vmncdec.c?id=4cb1bcf1422bbcd79c0f683edb7ee85e3f7a31fe
scarybeastsecurity.blogspot.de/2016/11/0day-poc-risky-design-decisions-in.html
security.gentoo.org/glsa/201705-10