CVE-2026-62994: CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin

Overview

Severity

Low (CVSS 3.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-23

Last Updated

2026-08-09

EPSS Score

0.46% (percentile: 38.3%)

Affected Products (2)

Other

• 21585-17084
• 21687-17084

Revision History

• 2026-07-23: Information published.
• 2026-08-09: Information published.