Graphviz 2.36.0 through 9.x before 10.0.1 has an out-of-bounds read via a crafted config6a file. NOTE: exploitability may be uncommon because this file is typically owned by root.
https://www.openwall.com/lists/oss-security/2024/02/01/2
https://seclists.org/fulldisclosure/2024/Jan/73
https://seclists.org/fulldisclosure/2024/Feb/24