A flaw was discovered in htmodoc 1.9.12 in function parse_paragraph in ps-pdf.cxx ,this flaw possibly allows possible code execution and a denial of service via a crafted file.
https://github.com/michaelrsweet/htmldoc/issues/431
https://github.com/michaelrsweet/htmldoc/commit/85fa76d77ed69927d24decf476e69bedc7691f48