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10 vulnerabilities found for nano by gnu

CVE-2026-40556 (GCVE-0-2026-40556)

Vulnerability from nvd – Published: 2026-04-28 13:54 – Updated: 2026-04-29 07:17
VLAI

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

Replaced by CVE-2026-6842

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CVE-2026-6843 (GCVE-0-2026-6843)

Vulnerability from nvd – Published: 2026-04-22 08:30 – Updated: 2026-04-22 12:04
VLAI
Title
Nano: nano: format string vulnerability leads to denial of service
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-134 - Use of Externally-Controlled Format String
Assigner
References
URL Tags
https://access.redhat.com/security/cve/CVE-2026-6843 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2460017 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-04-13 00:00
Credits
Red Hat would like to thank Michał Majchrowicz, Marcin Wyczechowski (AFINE Team) for reporting this issue.
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CVE-2024-5742 (GCVE-0-2024-5742)

Vulnerability from nvd – Published: 2024-06-12 08:53 – Updated: 2025-11-21 07:02
VLAI
Title
Nano: running `chmod` and `chown` on the filename allows malicious user to replace the emergency file with a malicious symlink to a root-owned file
Summary
A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privileges through a malicious symlink.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.9.8-3.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.6.1-6.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Date Public
2024-04-28 00:00
Show details on NVD website
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CVE-2010-1161 (GCVE-0-2010-1161)

Vulnerability from nvd – Published: 2010-04-16 19:00 – Updated: 2024-08-07 01:14
VLAI
Summary
Race condition in GNU nano before 2.2.4, when run by root to edit a file that is not owned by root, allows local user-assisted attackers to change the ownership of arbitrary files via vectors related to the creation of backup files.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2010-1160 (GCVE-0-2010-1160)

Vulnerability from nvd – Published: 2010-04-16 19:00 – Updated: 2024-08-07 01:14
VLAI
Summary
GNU nano before 2.2.4 does not verify whether a file has been changed before it is overwritten in a file-save operation, which allows local user-assisted attackers to overwrite arbitrary files via a symlink attack on an attacker-owned file that is being edited by the victim.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2026-40556 (GCVE-0-2026-40556)

Vulnerability from cvelistv5 – Published: 2026-04-28 13:54 – Updated: 2026-04-29 07:17
VLAI

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

Replaced by CVE-2026-6842

Show details on NVD website
To clipboard 

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CVE-2026-6843 (GCVE-0-2026-6843)

Vulnerability from cvelistv5 – Published: 2026-04-22 08:30 – Updated: 2026-04-22 12:04
VLAI
Title
Nano: nano: format string vulnerability leads to denial of service
Summary
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-134 - Use of Externally-Controlled Format String
Assigner
References
URL Tags
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https://bugzilla.redhat.com/show_bug.cgi?id=2460017 issue-trackingx_refsource_REDHAT
Impacted products
Date Public
2026-04-13 00:00
Credits
Red Hat would like to thank Michał Majchrowicz, Marcin Wyczechowski (AFINE Team) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2024-5742 (GCVE-0-2024-5742)

Vulnerability from cvelistv5 – Published: 2024-06-12 08:53 – Updated: 2025-11-21 07:02
VLAI
Title
Nano: running `chmod` and `chown` on the filename allows malicious user to replace the emergency file with a malicious symlink to a root-owned file
Summary
A vulnerability was found in GNU Nano that allows a possible privilege escalation through an insecure temporary file. If Nano is killed while editing, a file it saves to an emergency file with the permissions of the running user provides a window of opportunity for attackers to escalate privileges through a malicious symlink.
Severity
6.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:2.9.8-3.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.6.1-6.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
Date Public
2024-04-28 00:00
Show details on NVD website
To clipboard 

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CVE-2010-1160 (GCVE-0-2010-1160)

Vulnerability from cvelistv5 – Published: 2010-04-16 19:00 – Updated: 2024-08-07 01:14
VLAI
Summary
GNU nano before 2.2.4 does not verify whether a file has been changed before it is overwritten in a file-save operation, which allows local user-assisted attackers to overwrite arbitrary files via a symlink attack on an attacker-owned file that is being edited by the victim.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2010-1161 (GCVE-0-2010-1161)

Vulnerability from cvelistv5 – Published: 2010-04-16 19:00 – Updated: 2024-08-07 01:14
VLAI
Summary
Race condition in GNU nano before 2.2.4, when run by root to edit a file that is not owned by root, allows local user-assisted attackers to change the ownership of arbitrary files via vectors related to the creation of backup files.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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