vulnerability
NotepadPlusPlus: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') (CVE-2023-40164)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:M/Au:N/C:C/I:N/A:N) | Aug 25, 2023 | Sep 11, 2023 | Apr 7, 2026 |
Severity
5
CVSS
(AV:L/AC:M/Au:N/C:C/I:N/A:N)
Published
Aug 25, 2023
Added
Sep 11, 2023
Modified
Apr 7, 2026
Description
Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to global buffer read overflow in `nsCodingStateMachine::NextStater`. 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++.
Solution
notepadplusplus-upgrade-latest
Rapid7 Labs
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