CVE-2026-42770: FFC-DH Peer Validation Uses Attacker-Supplied q

Overview

Severity

Low (CVSS 3.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-07-21

Last Updated

2026-10-16

EPSS Score

0.50% (percentile: 41.8%)

Affected Products (3)

Other

• 21550-17084
• 21748-17084
• 21818-17084

Security Updates (1)

• Security Update

Revision History

• 2026-07-21: Information published.
• 2026-07-21: Information published.
• 2026-08-07: Information published.
• 2026-08-23: Information published.
• 2026-09-09: Information published.
• 2026-09-13: Information published.
• 2026-10-11: Information published.
• 2026-10-12: Information published.
• 2026-10-16: Information published.