cve/2019/CVE-2019-20454.md

CVE-2019-20454

Description

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. The flaw occurs in do_extuni_no_utf in pcre2_jit_compile.c.

POC

Reference

No PoCs from references.

Github

• https://github.com/ARPSyndicate/cvemon