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Medium severity5.5NVD Advisory· Published Aug 25, 2023· Updated Jun 17, 2026

CVE-2023-40164

CVE-2023-40164

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++.

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Affected products

3
  • Notepad Plus Plus/Notepad Plus Plus3 versions
    cpe:2.3:a:notepad-plus-plus:notepad\+\+:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:notepad-plus-plus:notepad\+\+:*:*:*:*:*:*:*:*range: <=8.5.6
    • (no CPE)range: <=8.5.6
    • (no CPE)range: <= 8.5.6

Patches

Vulnerability mechanics

References

1

News mentions

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