CVE-2026-6843

MEDIUM

5.5

Description

A flaw was found in nano. A local user could exploit a format string vulnerability in the `statusline()` function. By creating a directory with a name containing `printf` specifiers, the application attempts to display this name, leading to a segmentation fault (SEGV). This results in a Denial of Service (DoS) for the `nano` application.

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published4/22/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-134

References

https://access.redhat.com/security/cve/CVE-2026-6843(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2460017(secalert@redhat.com)

IOC Correlations

No correlations recorded

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