CVE-2026-6473: PostgreSQL server undersizes allocations, via integer wraparound
Overview
- Severity
- High (CVSS 8.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-16
- Last Updated
- 2026-05-19
- EPSS Score
- 0.40% (percentile: 31.9%)
Affected Products (2)
Open Source Software
- azl3 rust 1.75.0-28 on Azure Linux 3.0
- azl3 postgresql 16.12-1 on Azure Linux 3.0
Revision History
- 2026-05-16: Information published.
- 2026-05-17: Information published.
- 2026-05-19: Information published.