{"id":"UBUNTU-CVE-2021-27290","details":"ssri 5.2.2-8.0.0, fixed in 8.0.1, processes SRIs using a regular expression which is vulnerable to a denial of service. Malicious SRIs could take an extremely long time to process, leading to denial of service. This issue only affects consumers using the strict option.","modified":"2025-10-24T04:50:11Z","published":"2021-03-12T22:15:00Z","upstream":["CVE-2021-27290"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-27290"},{"type":"REPORT","url":"https://doyensec.com/resources/Doyensec_Advisory_ssri_redos.pdf"},{"type":"REPORT","url":"https://npmjs.com"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-27290"}],"affected":[{"package":{"name":"node-ssri","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/node-ssri@7.1.0-2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.4-2","6.0.1-2","7.1.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"node-ssri","binary_version":"7.1.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27290.json"}},{"package":{"name":"node-ssri","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/node-ssri@8.0.1-2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.0.1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"node-ssri","binary_version":"8.0.1-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-27290.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":"Ubuntu","score":"medium"}]}