CVE-2025-13566: jarun nnn nnn.c run_cmd_as_plugin double free

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-23 · updated 2026-10-08
Weakness: CWE-119

Description

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.

Affected products

jarun nnn: 5.0, 5.1

References

https://github.com/jarun/nnn/commit/2f07ccdf21e705377862e5f9dfa31e1694979ac7
https://github.com/jarun/nnn/issues/2091#issue-3635886658
https://github.com/jarun/nnn/issues/2091#issuecomment-3547591759
https://vuldb.com/?ctiid.333330
https://vuldb.com/?id.333330
https://vuldb.com/?submit.698113

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