re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.
5.5CVSS
5.2AI Score
0.001EPSS
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
7.8CVSS
7.6AI Score
0.002EPSS
A stack overflow re2c 2.2 exists due to infinite recursion issues in src/dfa/dead_rules.cc.
9.8CVSS
9.4AI Score
0.002EPSS