CVE-2023-40166 - CVE House

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Status published Medium CVE-2023-40166

Notepad++ heap buffer read overflow in FileManager::detectLanguageFromTextBegining

5.5 CVSS

Vulnerability Description

Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer read overflow in `FileManager::detectLanguageFromTextBegining `. The exploitability of this issue is not clear. Potentially, it may be used to leak internal memory allocation information. As of time of publication, no known patches are available in existing versions of Notepad++.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/

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Affected Vendor

notepad-plus-plus

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Affected Software

notepad-plus-plus

Vulnerable Versions:

<= 8.5.6

Timeline

Official Publish: August 25th, 2023

Last Modified: October 2nd, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-120 CWE-122

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control