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TI-2025-12396 Aliases CVE-2025-13566GHSA-mggq-rppf-vgmq

jarun nnn nnn.c run_cmd_as_plugin double free

Priority LOW 21CWE-119Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00145 3rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
jarunnnn5.0; 5.1—No fix listedCNA
  • nnn Vendorjarun Affected 5.0; 5.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-13566
  2. 2026-10-03 Alias added: GHSA-mggq-rppf-vgmq

References

  • TI-2026-84354 OS command injection in nnn togglex plugin via crafted filenames CVSS 4.0HIGH 8.4
  • TI-2026-84355 nnn Insecure Temporary File Symlink Overwrite via pdfread and nuke Plugins CVSS 4.0MEDIUM 4.1
  • TI-2026-85580 Server-side request forgery in Buku bukuserver reaches internal hosts CVSS 4.0MEDIUM 6.3
  • TI-2026-84450 Stored cross-site scripting in buku bookmark list via bookmark URL CVSS 4.0MEDIUM 5.3
  • TI-2026-84356 Symlink-following write in nnn via NNN_FIFO handling CVSS 4.0LOW 1.0

Sources