IMHO people should learn vulnerabilities by studying past ones, not fake ones. This class makes that easier for beginners.
Uninitialized data use, race conditions (TOCTOU), Use-After-Free (UAF), type confusion & info leaks: Vulnerabilities 1002 https://ost2.fyi/Vulns1002 by Xeno Kovah teaches real CVEs, not fake toy examples. Real exploit walkthroughs included. Level up your 'sploity sense!