In PCRE 8.41, the OPKETRMAX feature in the match function in pcreexec.c allows stack exhaustion (uncontrolled recursion) when processing a crafted regular expression.

DISPUTED In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcreexec.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.