CVE-2026-80586: mptcp: options: reset DSS fields in case of unexpected size

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

2026-Aug

Released

2026-08-27

EPSS Score

0.40% (percentile: 33.6%)

Affected Products (1)

Other

• 21684-17084

Revision History

• 2026-08-27: Information published.