CVE-2026-14664: PostgreSQL regexp heap buffer overflow executes arbitrary code

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/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-14

EPSS Score

0.61% (percentile: 46.6%)

Affected Products (1)

Other

• 21725-17084

Revision History

• 2026-08-14: Information published.