It makes me sad as I am Notepad++ user myself. https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/
GHSL-2023-112, GHSL-2023-102, GHSL-2023-103, GHSL-2023-092: Buffer Overflows in Notepad++ - CVE-2023-40031, CVE-2023-40036, CVE-2023-40164, CVE-2023-40166

Multiple memory safety violations in Notepad++ opening a crafted file.

GitHub Security Lab