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CVE-2025-13566

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Date: November 23, 2025

A security vulnerability has been detected in jarun nnn up to 5.1. The impacted element is the function show_content_in_floating_window/run_cmd_as_plugin of the file nnn/src/nnn.c. The manipulation leads to double free. An attack has to be approached locally. The identifier of the patch is 2f07ccdf21e705377862e5f9dfa31e1694979ac7. It is suggested to install a patch to address this issue.

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2025-13566
https://vuldb.com/?id.333330
https://github.com/jarun/nnn/commit/2f07ccdf21e705377862e5f9dfa31e1694979ac7
https://vuldb.com/?submit.698113
https://github.com/jarun/nnn/issues/2091#issuecomment-3547591759
https://github.com/jarun/nnn/issues/2091#issue-3635886658
https://vuldb.com/?ctiid.333330
https://www.mend.io/vulnerability-database/CVE-2025-13566

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Double Free

CWE-415

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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