CVE-2023-40036CWE-120

Notepad++ global buffer read overflow in CharDistributionAnalysis::HandleOneChar

Medium · published August 25, 2023

CVSS v3.1
5.5
EPSS
0%
Percentile
30.3
In the wild
Unconfirmed
What it is

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++.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00375 · 30.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2023-08-25T19:58Z
EPSS history
Timeline
  • 25 AUG 19:58Z
    Notepad++ global buffer read overflow in CharDistributionAnalysis::HandleOneChar
    cvelistv5