Buffer overflow in Jarun Nnn
CVE-2025-13566
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.001 (2.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Jarun Nnn — versions 5.0, 5.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/jarun/nnn/issues/2091 (issue-tracking)
- github.com/jarun/nnn/issues/2091 (issue-tracking)
- github.com/jarun/nnn/commit/2f07ccdf21e705377862e5f9dfa31e1694979ac7 (patch)
Frequently asked questions
- What is CVE-2025-13566?
- CVE-2025-13566 is a low-severity vulnerability in Jarun Nnn, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2025-11-23.
- How severe is CVE-2025-13566?
- Low severity. CVSS v3 base score is 3.3 out of 10.