In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used
https://bugs.exim.org/show_bug.cgi?id=2047
http://www.securityfocus.com/bid/101688
http://www.openwall.com/lists/oss-security/2017/11/01/7
http://www.openwall.com/lists/oss-security/2017/11/01/11
http://seclists.org/fulldisclosure/2018/Dec/33
http://packetstormsecurity.com/files/150897/PCRE-8.41-Buffer-Overflow.html