{"id":"BIT-postgresql-2026-2006","summary":"PostgreSQL missing validation of multibyte character length executes arbitrary code","details":"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.","aliases":["CVE-2026-2006"],"modified":"2026-02-16T17:11:27.639005Z","published":"2026-02-16T16:03:41.880Z","database_specific":{"cpes":["cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*"],"severity":"High"},"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-2006"},{"type":"WEB","url":"https://www.postgresql.org/support/security/CVE-2026-2006/"}],"affected":[{"package":{"name":"postgresql","ecosystem":"Bitnami","purl":"pkg:bitnami/postgresql"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"14.21.0"},{"introduced":"15.0.0"},{"fixed":"15.16.0"},{"introduced":"16.0.0"},{"fixed":"16.12.0"},{"introduced":"17.0.0"},{"fixed":"17.8.0"},{"introduced":"18.0.0"},{"fixed":"18.2.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/postgresql/BIT-postgresql-2026-2006.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}],"schema_version":"1.7.3"}