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HIGH · 7.8

CVE-2023-40031

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 executio...

Vulnerability Description

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++.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Notepad-Plus-PlusNotepad\+\+<= 8.5.6

Related Weaknesses (CWE)

CWE-120CWE-122

References

FAQ

What is CVE-2023-40031?

CVE-2023-40031 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 executio...

How severe is CVE-2023-40031?

CVE-2023-40031 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-40031?

Check the references section above for vendor advisories and patch information. Affected products include: Notepad-Plus-Plus Notepad\+\+.