{"id":"UBUNTU-CVE-2018-18314","details":"Perl before 5.26.3 has a buffer overflow via a crafted regular expression that triggers invalid write operations.","modified":"2026-02-04T04:15:08.594715Z","published":"2018-11-29T00:00:00Z","related":["USN-3834-1"],"upstream":["CVE-2018-18314"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18314"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3834-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18314"}],"affected":[{"package":{"name":"perl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/perl@5.22.1-9ubuntu0.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.22.1-9ubuntu0.6"}]}],"versions":["5.20.2-6","5.22.1-3","5.22.1-4","5.22.1-5","5.22.1-7","5.22.1-8","5.22.1-9","5.22.1-9ubuntu0.2","5.22.1-9ubuntu0.3","5.22.1-9ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_name":"libperl-dev","binary_version":"5.22.1-9ubuntu0.6"},{"binary_name":"libperl5.22","binary_version":"5.22.1-9ubuntu0.6"},{"binary_name":"perl","binary_version":"5.22.1-9ubuntu0.6"},{"binary_name":"perl-base","binary_version":"5.22.1-9ubuntu0.6"},{"binary_name":"perl-debug","binary_version":"5.22.1-9ubuntu0.6"},{"binary_name":"perl-modules-5.22","binary_version":"5.22.1-9ubuntu0.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18314.json"}},{"package":{"name":"perl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/perl@5.26.1-6ubuntu0.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.26.1-6ubuntu0.3"}]}],"versions":["5.26.0-8ubuntu1","5.26.1-2ubuntu1","5.26.1-3","5.26.1-4","5.26.1-4build1","5.26.1-5","5.26.1-6","5.26.1-6ubuntu0.1","5.26.1-6ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libperl-dev","binary_version":"5.26.1-6ubuntu0.3"},{"binary_name":"libperl5.26","binary_version":"5.26.1-6ubuntu0.3"},{"binary_name":"perl","binary_version":"5.26.1-6ubuntu0.3"},{"binary_name":"perl-base","binary_version":"5.26.1-6ubuntu0.3"},{"binary_name":"perl-debug","binary_version":"5.26.1-6ubuntu0.3"},{"binary_name":"perl-modules-5.26","binary_version":"5.26.1-6ubuntu0.3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18314.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}