{"id":"CVE-2026-14668","state":"PUBLISHED","title":"PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read","description":"Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input.  While the calculation loses precision, substantial memory value recovery appears possible.  Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.","publishedAt":"2026-08-13T13:00:04.405Z","updatedAt":"2026-08-29T23:07:14.539Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","source":"PostgreSQL"},"assigner":"PostgreSQL","products":["n/a PostgreSQL"],"affected":[{"vendor":"n/a","product":"PostgreSQL","defaultStatus":"unaffected","versions":[{"version":"18","status":"affected","lessThan":"18.6","versionType":"rpm"},{"version":"17","status":"affected","lessThan":"17.11","versionType":"rpm"},{"version":"16","status":"affected","lessThan":"16.15","versionType":"rpm"},{"version":"15","status":"affected","lessThan":"15.19","versionType":"rpm"},{"version":"0","status":"affected","lessThan":"14.24","versionType":"rpm"}]}],"references":["https://www.postgresql.org/support/security/CVE-2026-14668/"],"weaknesses":["CWE-843"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/14xxx/CVE-2026-14668.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14668","state":"PUBLISHED","datePublished":"2026-08-13T13:00:04.405Z","dateUpdated":"2026-08-29T23:07:14.539Z","assignerShortName":"PostgreSQL","assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","dateReserved":"2026-07-03T20:28:11.432Z"},"containers":{"cna":{"title":"PostgreSQL ctid type confusion in selectivity estimator discloses derivative of arbitrary read","descriptions":[{"lang":"en","value":"Type confusion regarding input of PostgreSQL ctid data type selectivity estimator allows an object creator to view a calculation derived from the value of an arbitrary 4-byte span of memory, via a chosen non-ctid input.  While the calculation loses precision, substantial memory value recovery appears possible.  Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected."}],"affected":[{"vendor":"n/a","product":"PostgreSQL","defaultStatus":"unaffected","versions":[{"version":"18","status":"affected","lessThan":"18.6","versionType":"rpm"},{"version":"17","status":"affected","lessThan":"17.11","versionType":"rpm"},{"version":"16","status":"affected","lessThan":"16.15","versionType":"rpm"},{"version":"15","status":"affected","lessThan":"15.19","versionType":"rpm"},{"version":"0","status":"affected","lessThan":"14.24","versionType":"rpm"}]}],"references":[{"url":"https://www.postgresql.org/support/security/CVE-2026-14668/"}],"metrics":[{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":8.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-843","lang":"en","type":"CWE","description":"Access of Resource Using Incompatible Type ('Type Confusion')"}]}],"providerMetadata":{"shortName":"PostgreSQL","orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","dateUpdated":"2026-08-29T23:07:14.539Z"},"x_postgresql":{"component":"core server"},"configurations":[{"lang":"en","value":"attacker has permission to create objects (temporary objects or non-temporary objects in at least one schema)"}],"credits":[{"lang":"en","value":"The PostgreSQL project thanks Hcamael for reporting this problem."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T14:53:46.205336Z","id":"CVE-2026-14668","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-13T15:35:12.624Z"}}]}}}