CVE-2026-6575
Medium
Description
Buffer over-read in PostgreSQL function pg_restore_attribute_stats() accepts array values of unmatched length, which causes query planning to read past end of one array. This allows a table maintainer to infer memory values past that array end. Within major version 18, minor versions before PostgreSQL 18.4 are affected. Versions before PostgreSQL 18 are unaffected.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Postgresql
PublishedMay 14, 2026
First seenMay 14, 2026
Weakness typeCWE-126CWE-126
How to fix
Update
- postgresql postgresql18.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| postgresql postgresql | 18.0 ≤ v < 18.4 | 18.4 |
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