CVE-2023-40164CWE-120

Notepad++ global buffer read overflow in nsCodingStateMachine::NextState

Medium · published August 25, 2023

CVSS v3.1
5.5
EPSS
1%
Percentile
42.2
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 `nsCodingStateMachine::NextStater`. 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
0.00504 · 42.2th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2023-08-25T20:12Z
EPSS history
Timeline
  • 25 AUG 20:12Z
    Notepad++ global buffer read overflow in nsCodingStateMachine::NextState
    cvelistv5