CVE-2023-40031

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

State: Published
Severity: 7.8 High
Published: Aug 25, 2023
Updated: Oct 2, 2024
Reserved: Aug 8, 2023

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++.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
notepad-plus-plusnotepad-plus-plus	<= 8.5.6Affected

References

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

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