A heap buffer overflow vulnerability exists in texlive-bin at commit c515e, specifically in the function ttfLoadHDMX:ttfdump. This flaw allows an attacker to cause a Denial of Service (DoS) by supplying a crafted TrueType Font (TTF) file. The vulnerability has a high severity score of 8.1 CVSS v3.1 and does not currently have a confirmed patch or fixed versions listed.