CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HHeap 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 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
Multiple vulnerabilities have been discovered in PostgreSQL, impacting versions 15.x through 18.x and prior to 14.24. These vulnerabilities include potential for data confidentiality breaches, policy bypasses, denial of…