CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-23

EPSS Score

0.05% (percentile: 15.8%)

Affected Products (1)

Other

• 21351-17084

Revision History

• 2026-05-23: Information published.