CVE-2023-40031 Notepad++ vulnerable to heap buffer write overflow in Utf8_16_Read::convert

2023-08-2519:49:23

CWE-122

CWE-120

GitHub_M

www.cve.org

notepad++

open-source

code editor

buffer overflow

arbitrary code execution

security vulnerability

patch unavailable

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

23.2%

JSON

Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer write overflow in Utf8_16_Read::convert. This issue may lead to arbitrary code execution. As of time of publication, no known patches are available in existing versions of Notepad++.

CNA Affected

[
  {
    "vendor": "notepad-plus-plus",
    "product": "notepad-plus-plus",
    "versions": [
      {
        "version": "<= 8.5.6",
        "status": "affected"
      }
    ]
  }
]