{"id":"UBUNTU-CVE-2021-3803","details":"nth-check is vulnerable to Inefficient Regular Expression Complexity","modified":"2026-01-30T01:22:33.004576Z","published":"2021-09-17T07:15:00Z","related":["USN-6114-1"],"upstream":["CVE-2021-3803"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3803"},{"type":"REPORT","url":"https://github.com/fb55/nth-check/commit/9894c1d2010870c351f66c6f6efcf656e26bb726"},{"type":"REPORT","url":"https://huntr.dev/bounties/8cf8cc06-d2cf-4b4e-b42c-99fafb0b04d0/"},{"type":"REPORT","url":"https://github.com/advisories/GHSA-rp65-9cf3-cjxr"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6114-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-3803"}],"affected":[{"package":{"name":"node-nth-check","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/node-nth-check@1.0.1-1+deb10u1build0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-1+deb10u1build0.18.04.1"}]}],"versions":["1.0.1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.0.1-1+deb10u1build0.18.04.1","binary_name":"node-nth-check"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3803.json"}},{"package":{"name":"node-nth-check","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/node-nth-check@1.0.1-1+deb10u1build0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1-1+deb10u1build0.20.04.1"}]}],"versions":["1.0.1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"node-nth-check","binary_version":"1.0.1-1+deb10u1build0.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3803.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}