CVE-2026-120147

high

Description

Use after free in the PostgreSQL dblink extension allows an object creator to execute arbitrary code as the operating system user running the database, via type conversion code that re-enters dblink and closes a connection whose results an outer dblink call is reading. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

References

https://www.postgresql.org/support/security/CVE-2026-120147/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-124421

Details

Source: Mitre, NVD

Published: 2026-11-12

Updated: 2026-11-12

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High