CVE-2026-6390: Nano: gnu nano: arbitrary memory writes, information disclosure, or denial of service via format string vulnerability in error handling.

Overview

Severity

Medium (CVSS 6.8)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-25

EPSS Score

0.11% (percentile: 1.3%)

Affected Products (1)

Other

• 21416-17084

Revision History

• 2026-07-25: Information published.