dail8859 NotepadNext up to 0.11 ldebug.C out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in dail8859 NotepadNext up to 0.11. This affects an unknown function of the file ldebug.C. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2025-52939. The attack must be initiated from a local position. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in dail8859 NotepadNext up to 0.11. It has been classified as critical. This affects an unknown functionality of the file ldebug.C. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Out-of-bounds Write vulnerability in dail8859 NotepadNext (src/lua/src modules). This vulnerability is associated with program files ldebug.C, lvm.C. This issue affects NotepadNext: through v0.11.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-52939 since 06/23/2025. The exploitability is told to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 242022 (CBL Mariner 2.0 Security Update: ceph (CVE-2025-52939)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 3e928d91b8fc8bb5c77801ee8652f41e98d12571 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (242022) and EUVD (EUVD-2025-18873). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

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: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 242022
Nessus Name: CBL Mariner 2.0 Security Update: ceph (CVE-2025-52939)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 3e928d91b8fc8bb5c77801ee8652f41e98d12571

Timelineinfo

06/23/2025 Advisory disclosed
06/23/2025 +0 days CVE reserved
06/23/2025 +0 days VulDB entry created
07/12/2025 +19 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-52939 (🔒)
GCVE (CVE): GCVE-0-2025-52939
GCVE (VulDB): GCVE-100-313629
EUVD: 🔒

Entryinfo

Created: 06/23/2025 12:41
Updated: 07/12/2025 17:59
Changes: 06/23/2025 12:41 (74), 06/23/2025 17:14 (1), 07/12/2025 17:59 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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