VDB-333330 · CVE-2025-13566 · Issue 2091

jarun nnn up to 5.1 nnn/src/nnn.c show_content_in_floating_window/run_cmd_as_plugin double free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in jarun nnn up to 5.1 and classified as problematic. This affects the function show_content_in_floating_window/run_cmd_as_plugin of the file nnn/src/nnn.c. The manipulation results in double free. This vulnerability is known as CVE-2025-13566. Attacking locally is a requirement. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in jarun nnn up to 5.1. It has been classified as problematic. Affected is the function show_content_in_floating_window/run_cmd_as_plugin of the file nnn/src/nnn.c. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2025-13566. The exploitability is told to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.

Applying the patch 2f07ccdf21e705377862e5f9dfa31e1694979ac7 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-198585). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

jarun

Name

Version

License

open-source

Website

Product: https://github.com/jarun/nnn/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 2f07ccdf21e705377862e5f9dfa31e1694979ac7

Timelineinfo

11/22/2025 Advisory disclosed
11/22/2025 +0 days VulDB entry created
11/23/2025 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 2091
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-13566 (🔒)
GCVE (CVE): GCVE-0-2025-13566
GCVE (VulDB): GCVE-100-333330
EUVD: 🔒

Entryinfo

Created: 11/22/2025 18:43
Updated: 11/23/2025 22:34
Changes: 11/22/2025 18:43 (57), 11/23/2025 22:25 (29), 11/23/2025 22:34 (1)
Complete: 🔍
Submitter: micromilo
Cache ID: 216::103

Submitinfo

Accepted

Submit #698113: nnn v5.1 Double Free (by micromilo)

Duplicate

Submit #XXXXXX: Xxx Xx.x Xxxxxx Xxxx (by micromilo)

If you want to get best quality of vulnerability data, you may have to visit VulDB.