{"id":"CVE-2023-33958","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-33958","generatedAt":"2026-10-28T01:14:15.857Z","title":"An attacker who has compromised a registry and added a high number of signatures to an artifact can cause denial of service of services on the machine, if a user runs notation verify command on the same machine.","description":"notation is a CLI tool to sign and verify OCI artifacts and container images. An attacker who has compromised a registry and added a high number of signatures to an artifact can cause denial of service of services on the machine, if a user runs notation verify command on the same machine. The problem has been fixed in the release v1.0.0-rc.6. Users should upgrade their notation packages to v1.0.0-rc.6 or above. Users unable to upgrade may restrict container registries to a set of secure and trusted container registries.","published":"2023-06-06T19:15:13.000Z","lastModified":"2026-06-17T06:02:36.000Z","status":"Modified","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":["notaryproject/notation-go"],"epss":{"score":0.00485,"percentile":0.4151,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.48%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/notaryproject/notation/releases/tag/v1.0.0-rc.6","tags":["Release Notes"],"source":"security-advisories@github.com"},{"url":"https://github.com/notaryproject/notation/security/advisories/GHSA-rvrx-rrwh-r9p6","tags":["Vendor Advisory"],"source":"security-advisories@github.com"},{"url":"https://github.com/notaryproject/notation/releases/tag/v1.0.0-rc.6","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/notaryproject/notation/security/advisories/GHSA-rvrx-rrwh-r9p6","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-33958","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}