{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21991","assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","state":"PUBLISHED","assignerShortName":"oracle","dateReserved":"2026-01-05T18:07:34.717Z","datePublished":"2026-03-16T21:36:44.856Z","dateUpdated":"2026-03-17T13:35:45.790Z"},"containers":{"cna":{"affected":[{"product":"Oracle Linux","vendor":"Oracle Corporation","versions":[{"status":"affected","version":"8"},{"status":"affected","version":"9"},{"status":"affected","version":"10"}]}],"descriptions":[{"lang":"en","value":"A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names.","lang":"en","type":"text"}]}],"providerMetadata":{"orgId":"43595867-4340-4103-b7a2-9a5208d29a85","shortName":"oracle","dateUpdated":"2026-03-16T21:36:44.856Z"},"references":[{"name":"Oracle Advisory","tags":["vendor-advisory"],"url":"https://linux.oracle.com/cve/CVE-2026-21991.html"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-22","lang":"en","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-17T13:35:15.508371Z","id":"CVE-2026-21991","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-17T13:35:45.790Z"}}]}}