CVE-2023-40031

Public Exploit
Notepad++ vulnerable to heap buffer write overflow in Utf8_16_Read::convert

Description

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++.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.29%
Third-Party Advisory github.com
Affected: notepad-plus-plus notepad-plus-plus
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-40031?
CVE-2023-40031 has been scored as a high severity vulnerability.
How to fix CVE-2023-40031?
To fix CVE-2023-40031, 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-2023-40031 being actively exploited in the wild?
It is possible that CVE-2023-40031 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-2023-40031?
CVE-2023-40031 affects notepad-plus-plus notepad-plus-plus.
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