Global Buffer Read Overflow in Notepad++ Versions 8.5.6 and Prior

CVE-2023-40036 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to global buffer read overflow in `CharDistributionAnalysis::HandleOneChar`. 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++.

Learn more about our Internal Network Penetration Testing.