Multiple code execution vulnerabilities exists in the Nef polygon-parsing functionality of CGAL libcgal CGAL-5.1.1. A specially crafted malformed file can lead to an out-of-bounds read and type confusion, which could lead to code execution. An attacker can provide malicious input to trigger any of these vulnerabilities. An oob read exists in Nef_2/PM_io_parser.h PM_io_parser<PMDEC>::read_hedge() e->set_vertex().
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1225
https://security.gentoo.org/glsa/202305-34
https://lists.debian.org/debian-lts-announce/2022/12/msg00011.html