{"id":"CVE-2026-2003","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-2003","generatedAt":"2026-10-28T03:22:33.376Z","title":"Improper validation of type \"oidvector\" in PostgreSQL allows a database user to disclose a few bytes of server memory.","description":"Improper validation of type \"oidvector\" in PostgreSQL allows a database user to disclose a few bytes of server memory.  We have not ruled out viability of attacks that arrange for presence of confidential information in disclosed bytes, but they seem unlikely.  Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.","published":"2026-02-12T14:16:02.000Z","lastModified":"2026-06-17T10:29:59.000Z","status":"Analyzed","sourceIdentifier":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-1287"],"affected":["postgresql/postgresql"],"epss":{"score":0.00319,"percentile":0.24626,"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 (0.32%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.postgresql.org/support/security/CVE-2026-2003/","tags":["Vendor Advisory"],"source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-2003","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."}