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🛡️ USN-8386-1 — nano (CVE-2026-6842 +1 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

nano vulnerabilities

Michał Majchrowicz and Marcin Wyczechowski discovered that Nano created

the ~/.local directory with incorrect permissions. In environments with

permissive umask settings, a local attacker could possibly use this

issue to inject a malicious launcher file, resulting in information

disclosure or other unintended actions. (CVE-2026-6842)

Michał Majchrowicz and Marcin Wyczechowski discovered that Nano

incorrectly handled directory names when updating the status line. A

local attacker could possibly use this issue to cause Nano to crash,

resulting in a denial of service. This issue only affected Ubuntu 22.04

LTS, Ubuntu 24.04 LTS, Ubuntu 25.10, and Ubuntu 26.04 LTS.

(CVE-2026-6843)

Affected software

USN-8386-1 is recorded against 1 package.

  • nano (fixed in 8.7.1-1ubuntu0.1)

Timeline and source

Published on 4 June 2026 and last revised on 5 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Advisory)
ubuntu.com (Report)
ubuntu.com (Report)

Other advisories for this package

nano has other advisories on record. If you are patching this one, these are worth checking on the same host:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-04
Updated 2026-08-20
Modified 2026-06-05
Fix URL N/A

Affected Packages

Software From version Fixed in
nano — 8.7.1-1ubuntu0.1

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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