CVE-2026-6474
Public on 2026-05-14
Modified on 2026-05-15
Description
Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
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 2 - Core | postgresql | Pending Fix | ||
| Amazon Linux 2 - Postgresql14 Extra | postgresql | 2026-06-08 | ALAS2POSTGRESQL14-2026-024 | Fixed |
| Amazon Linux 2023 | postgresql15 | 2026-06-08 | ALAS2023-2026-1768 | Fixed |
| Amazon Linux 2023 | postgresql16 | 2026-06-08 | ALAS2023-2026-1767 | Fixed |
| Amazon Linux 2023 | postgresql17 | 2026-06-08 | ALAS2023-2026-1766 | Fixed |
| Amazon Linux 2023 | postgresql18 | 2026-06-08 | ALAS2023-2026-1780 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |