CVE-2023-40036
MEDIUMNotepad-plus-plus Notepad++ < 8.5.6 - Buffer Overflow
Title source: ruleDescription
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++.
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
0.0005
EPSS Percentile
13.8%
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
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-120
Status
published
Products (1)
notepad-plus-plus/notepad\+\+
< 8.5.6
Published
Aug 25, 2023
Tracked Since
Feb 18, 2026