CVE-2026-120142
Public on 2026-11-12
Modified on 2026-11-14
Description
Type confusion in PostgreSQL anonymous RECORD types allows an object creator to execute arbitrary code as the operating system user running the database, via row types having dropped attributes in the same positions but with different widths or alignments. Within major versions 17-18, minor versions before PostgreSQL 18.7 and 17.12 are affected. Versions before PostgreSQL 17 are unaffected.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Postgresql14 Extra | libpq | Not Affected | ||
| Amazon Linux 2023 | libpq | Not Affected | ||
| Amazon Linux 2027 Preview | libpq | Not Affected | ||
| Amazon Linux 2 - Core | postgresql | Not Affected | ||
| Amazon Linux 2 - Postgresql14 Extra | postgresql | Not Affected | ||
| Amazon Linux 2023 | postgresql15 | Not Affected | ||
| Amazon Linux 2023 | postgresql16 | Not Affected | ||
| Amazon Linux 2027 Preview | postgresql16 | Not Affected | ||
| Amazon Linux 2023 | postgresql17 | Pending Fix | ||
| Amazon Linux 2027 Preview | postgresql17 | Pending Fix | ||
| Amazon Linux 2023 | postgresql18 | Pending Fix | ||
| Amazon Linux 2027 Preview | postgresql18 | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |