CVE-2023-40036

Public Exploit
Notepad++ global buffer read overflow in CharDistributionAnalysis::HandleOneChar

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 `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++.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Third-Party Advisory github.com
Affected: notepad-plus-plus notepad-plus-plus
Published at:
Updated at:

References

Link Tags
https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-40036?
CVE-2023-40036 has been scored as a medium severity vulnerability.
How to fix CVE-2023-40036?
To fix CVE-2023-40036, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40036 being actively exploited in the wild?
It is possible that CVE-2023-40036 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40036?
CVE-2023-40036 affects notepad-plus-plus notepad-plus-plus.
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