Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
{
"license": "CC-BY-4.0",
"sources": [
{
"published": "2026-02-12T14:16:02.470Z",
"id": "CVE-2026-2006",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2006",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2006",
"imported": "2026-04-03T13:13:10.845Z",
"modified": "2026-02-20T19:54:12.520Z"
}
]
}