CVE-2026-6474
Published: May 18, 2026Last modified: May 19, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 4.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | postgresql15 | Fixed (15.18-r0) |
| 25 LTS | postgresql17 | Fixed (17.10-r0) | |
| Stream | postgresql18 | Fixed (18.4-r0) |