cve/2019/CVE-2019-9025.md

CVE-2019-9025

Description

An issue was discovered in PHP 7.3.x before 7.3.1. An invalid multibyte string supplied as an argument to the mb_split() function in ext/mbstring/php_mbregex.c can cause PHP to execute memcpy() with a negative argument, which could read and write past buffers allocated for the data.

POC

Reference

• https://hackerone.com/reports/476178

Github

• https://github.com/behouba/log6302A