CVE-2026-55717: 'serve-expired-client-timeout' and 'response-ip' CNAME redirect could lead to a crash

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/E:U

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-23

Affected Products (1)

Other

• 21595-17084

Revision History

• 2026-07-23: Information published.