CVE-2023-40031
Notepad++ vulnerable to heap buffer write overflow in Utf8_16_Read::convert
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
2
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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++.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-08-08 CVE Reserved
- 2023-08-25 CVE Published
- 2023-09-08 First Exploit
- 2024-10-02 CVE Updated
- 2025-02-04 EPSS Updated
- ---------- 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 (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/webraybtl/CVE-2023-40031 | 2023-09-08 | |
| https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__ | 2024-10-02 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
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
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