CVE-2023-40166
MEDIUMNotepad++ < 8.5.6 - Heap-based Buffer Overflow in FileManager Language Detection
Title source: llmDescription
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++.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/
Scores
CVSS v3
5.5
EPSS
0.0047
EPSS Percentile
37.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
CWE-122
Status
published
Products (1)
notepad-plus-plus/notepad\+\+
< 8.5.6
Published
Aug 25, 2023
Tracked Since
Feb 18, 2026