CVE-2023-40036 Notepad++ global buffer read overflow in CharDistributionAnalysis::HandleOneChar

2023-08-2519:58:33

CWE-120

GitHub_M

github.com

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.2

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

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