{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14664","assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","state":"PUBLISHED","assignerShortName":"PostgreSQL","dateReserved":"2026-07-03T20:28:09.038Z","datePublished":"2026-08-13T13:00:03.074Z","dateUpdated":"2026-08-14T03:55:50.996Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","shortName":"PostgreSQL","dateUpdated":"2026-08-13T13:00:03.074Z"},"title":"PostgreSQL regexp heap buffer overflow executes arbitrary code","x_postgresql":{"component":"core server"},"descriptions":[{"lang":"en","value":"Heap buffer overflow in PostgreSQL regexp allows the query author to execute arbitrary code as the operating system user running the database, via text that would not pass encoding validation.  This shares heritage with CVE-2026-2006, but this case involved unanticipated data growth when round-tripped through pg_wchar.  Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected."}],"affected":[{"defaultStatus":"unaffected","product":"PostgreSQL","vendor":"n/a","versions":[{"lessThan":"18.5","status":"affected","version":"18","versionType":"rpm"},{"lessThan":"17.11","status":"affected","version":"17","versionType":"rpm"},{"lessThan":"16.15","status":"affected","version":"16","versionType":"rpm"},{"lessThan":"15.19","status":"affected","version":"15","versionType":"rpm"},{"lessThan":"14.24","status":"affected","version":"0","versionType":"rpm"}]}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-122","type":"CWE","description":"Heap-based Buffer Overflow"}]}],"references":[{"url":"https://www.postgresql.org/support/security/CVE-2026-14664/"}],"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:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}],"credits":[{"lang":"en","value":"The PostgreSQL project thanks Francesco Verardi for reporting this problem."}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-14664"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-14T03:55:50.996Z"}}]}}