From the authors site:

In this article, I'm going to share with you my observations and analysis on recent Adobe Acrobat Font Parsing vulnerability. Source document exists here:

http://securityevaluators.com/files/papers/CrashAnalysis.pdf (page 51-58)

After reading the paper, I started studying the TTF format. After initial research, I wrote this script:

Writeup and proof of concept files included in archive file.

https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/14642.tgz (VA010-003.tgz)