The vulnerability of the `do_extuni_no_utf` function in the `pcre2_jit_compile.c` component of the PCRE2 regular expression library allows a attacker to cause a service failure.

The vulnerability of the doextuninoutf function in the pcre2jitcompile.c component of the PCRE2 regular expression library is related to the use of a certain type of template. Exploiting this vulnerability allows an attacker to trigger a service failure remotely...

Input validation

An out-of-bounds read was discovered in PCRE before 10.34 when the pattern \X is JIT compiled and used to match specially crafted subjects in non-UTF mode. Applications that use PCRE to parse untrusted input may be vulnerable to this flaw, which would allow an attacker to crash the application. T...