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Korea Raises Cyber Alert Over PHP Flaws

South Korea's science ministry raised the private-sector cyber crisis alert from 'interest' to 'caution' at noon on Oct. 22 after two critical PHP vulnerabilities were discovered, Yonhap and Dong-A Ilbo report. The Ministry of Science and ICT and the Korea Internet & Security Agency (KISA) have notified about 5,900 member companies of the C-TAS threat-sharing system and CISO-registered firms to take immediate security measures, including updating to the latest PHP version, KBS World reports. The flaws, rated 'emergency' in severity, could let attackers take over systems without authentication. KISA had already urged updates on Oct. 21, noting the vulnerabilities involve improper handling of exceptional conditions and use-after-free memory issues, Dong-A Ilbo adds. The government has strengthened incident-response staffing and emergency dispatch systems, and is considering providing emergency patches, KBS World reports.

  1. PHP security flaws alert Korean government, firms Korea Times · 2026-10-22
  2. Gov’t Calls on Companies to Implement PHP Security Measures amid Cyber Threats KBS World · 2026-10-22
  3. S. Korea raises cybersecurity alert level as computer language flaw sparks global security concerns Yonhap · 2026-10-22
  4. 韩政府要求主要企业采取措施防范PHP漏洞 考虑提供紧急补丁 KBS WORLD · 2026-10-22
  5. PHP 보안 취약점 “즉각 업뎃”…정부, 사이버위기경보 ‘주의’ 동아일보 · 2026-10-22
  6. PHP被发现高危安全漏洞 韩国互联网振兴院敦促用户进行安全更新 KBS WORLD · 2026-10-22
  7. 웹사이트 75% 쓰는 PHP서 보안 취약점…KISA “즉시 업데이트” 동아일보 · 2026-10-22

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