CVE-2023-40164 MEDIUM

CVE-2023-40164: Notepad++ global buffer read overflow in nsCodingStateMachine::NextState

Vendor Notepad-Plus-Plus
Product notepad-plus-plus
Weakness CWE-120
Published August 25, 2023
Last update October 2, 2024

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to global buffer read overflow in `nsCodingStateMachine::NextStater`. 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++.

Key dates

02Disclosure timeline

August 25, 2023 CVE published
October 2, 2024 Record updated