texlive-bin commit c515e was discovered to contain heap buffer overflow via the function ttfLoadHDMX:ttfdump. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted TTF file.
https://tug.org/svn/texlive/trunk/Build/source/texk/ttfdump/ChangeLog?revision=69605&view=co
https://bugs.launchpad.net/ubuntu/+source/texlive-bin/+bug/2047912