// For flags

CVE-2023-40166

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

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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++.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-08-09 CVE Reserved
  • 2023-08-25 CVE Published
  • 2024-09-26 EPSS Updated
  • 2024-10-02 CVE Updated
  • 2024-10-02 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-122: Heap-based Buffer Overflow
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Notepad-plus-plus
Search vendor "Notepad-plus-plus"
Notepad\+\+
Search vendor "Notepad-plus-plus" for product "Notepad\+\+"
<= 8.5.6
Search vendor "Notepad-plus-plus" for product "Notepad\+\+" and version " <= 8.5.6"
-
Affected