CVE-2023-40036

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++.

CVSS v3.1

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

CVSS v3.1

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

EPSS

0.38% chance of exploitation in the next 30 days, 31th percentile

Published

2023-08-25

Updated

2024-10-01

Proof-of-concept exploits (1)

• https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/

References

• CVE Record
• NVD entry

Related

• CVE-2023-40035
• CVE-2023-40037
• CVE-2023-40031
• CVE-2023-4004
• CVE-2023-40029
• CVE-2023-40044