CVE-2023-40166

Notepad++ heap buffer read overflow in FileManager::detectLanguageFromTextBegining

State: Published
Severity: 5.5 Medium
Published: Aug 25, 2023
Updated: Oct 2, 2024
Reserved: Aug 9, 2023

Description

Notepad++ is a free and open-source source code editor. Versions 8.5.6 and prior are vulnerable to heap buffer read overflow in `FileManager::detectLanguageFromTextBegining `. 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++.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	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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