CVE-2026-19662: qpcache NOQNAME proof use-after-free crashes recursive resolver

Overview

Severity

Medium (CVSS 5.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-21

Last Updated

2026-09-21

EPSS Score

0.41% (percentile: 35.3%)

Affected Products (1)

Other

• 21677-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-21: Information published.
• 2026-09-21: Information published.