{"schemaVersion":3,"id":"USN-4972-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"postgresql-10, postgresql-12, postgresql-13 vulnerabilities\n\nTom Lane discovered that PostgreSQL incorrect handled certain array\nsubscripting calculations. An authenticated attacker could possibly use\nthis issue to overwrite server memory and escalate privileges.\n(CVE-2021-32027)\n\nAndres Freund discovered that PostgreSQL incorrect handled certain\nINSERT ... ON CONFLICT ... DO UPDATE commands. A remote attacker could\npossibly use this issue to read server memory and obtain sensitive\ninformation. (CVE-2021-32028)\n\nTom Lane discovered that PostgreSQL incorrect handled certain UPDATE ...\nRETURNING commands. A remote attacker could possibly use this issue to read\nserver memory and obtain sensitive information. This issue only affected\nUbuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-32029)","dates":{"published":"2021-06-01T11:48:38.000Z","modified":"2026-04-27T18:44:48.966Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"postgresql-10","name":"postgresql-10","label":"postgresql-10","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/postgresql-10","purlType":"deb","versions":[{"text":"< 10.17-0ubuntu0.18.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.17-0ubuntu0.18.04.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"postgresql-12","name":"postgresql-12","label":"postgresql-12","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/postgresql-12","purlType":"deb","versions":[{"text":"< 12.7-0ubuntu0.20.04.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 12.7-0ubuntu0.20.04.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4972-1","label":"ubuntu.com/security/notices/USN-4972-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-32027","label":"ubuntu.com/security/CVE-2021-32027","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32028","label":"ubuntu.com/security/CVE-2021-32028","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32029","label":"ubuntu.com/security/CVE-2021-32029","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-32027","CVE-2021-32028","CVE-2021-32029"],"downstream":[],"duplicates":[],"related":["CVE-2021-32027","CVE-2021-32028","CVE-2021-32029"]},"timeline":[{"kind":"published","date":"2021-06-01T11:48:38.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T18:44:48.966Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T13:22:13.735Z","stale":false,"partial":false}}