Description Perl before 5.26.3 has a buffer overflow via a crafted regular expression that triggers invalid write operations. Remediation References CVE-2018-18314 Related Vulnerabilities Drupal Core 9.2.x Cross-Site Request Forgery (9.2.0 - 9.2.5) Magento Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Vulnerability (CVE-2019-8159) PostgreSQL Other Vulnerability (CVE-2002-0972) MySQL CVE-2022-21427 Vulnerability (CVE-2022-21427) Oracle Database Server Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2007-5507) Severity Critical Classification CVE-2018-18314 CWE-119 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Tags Missing Update Known Vulnerabilities