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 execution. As of time of publication, no known patches are available in existing versions of Notepad++.

• CWE-120
• CWE-122

• https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/Exploit, Third Party Advisory
• https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/Exploit, Third Party Advisory

Published

Aug 25, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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