CVE-2025-11936: Potential DoS Vulnerability through Multiple KeyShareEntry with Same Group in TLS 1.3 ClientHello

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2025-Nov

Released

2025-11-25

Last Updated

2025-12-03

EPSS Score

0.04% (percentile: 13.5%)

Affected Products (2)

Other

• 19283-17084
• 20085-17086

Revision History

• 2025-11-25: Information published.
• 2025-12-02: Information published.
• 2025-12-03: Information published.