CVE-2026-6665: PgBouncer buffer overflow in SCRAM

Overview

Severity

High (CVSS 8.1)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-10

EPSS Score

0.02% (percentile: 4.3%)

Affected Products (1)

Other

• 21328-17084

Revision History

• 2026-05-10: Information published.