CVE-2026-6474
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Postgresql
PublishedMay 14, 2026
First seenMay 14, 2026
Weakness typeCWE-134CWE-134
How to fix
Update
- postgresql postgresql14.23, 15.18, 16.14, 17.10, 18.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| postgresql postgresql | v < 14.23, 15.0 ≤ v < 15.18, 16.0 ≤ v < 16.14, 17.0 ≤ v < 17.10, 18.0 ≤ v < 18.4 | 14.23, 15.18, 16.14, 17.10, 18.4 |
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