Bollcoin reported on October 22, citing Yonhap News Agency, that a critical security vulnerability has been discovered in PHP, a programming language widely used around the world, and South Korean information technology (IT) companies and the cybersecurity industry are urgently taking countermeasures. It is estimated that about 110,000 internet assets in South Korea have installed PHP versions potentially affected by the vulnerability, ranking sixth globally. As a result, relevant institutions urgently need to install security patches and check whether their systems have been compromised. According to sources in South Korea's IT and cybersecurity industry, no reported intrusions or suspected victim cases related to this vulnerability have been found so far.