CVE-2022-31901

MEDIUM

Notepad++ < 8.4.3 - Denial of Service via Crafted Files

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-31901. PoCs published by CDACesec.

AI-analyzed exploit summary The repository provides a detailed technical analysis of CVE-2022-31901, a DoS vulnerability in Notepad++ (x86) versions up to 8.4.3. It includes root cause analysis, crash dump analysis, and tested versions/environments, but lacks functional exploit code.

Description

Buffer overflow in function Notepad_plus::addHotSpot in Notepad++ v8.4.3 and earlier allows attackers to crash the application via two crafted files.

Exploits (1)

nomisec WRITEUP
by CDACesec · poc
https://github.com/CDACesec/CVE-2022-31901

The repository provides a detailed technical analysis of CVE-2022-31901, a DoS vulnerability in Notepad++ (x86) versions up to 8.4.3. It includes root cause analysis, crash dump analysis, and tested versions/environments, but lacks functional exploit code.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Notepad++ (x86) <= 8.4.3
No auth needed
Prerequisites: Two specially crafted text files
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory
https://github.com/CDACesec/CVE-2022-31901

Scores

CVSS v3 6.5
EPSS 0.0131
EPSS Percentile 66.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
notepad-plus-plus/notepad\+\+ < 8.4.3
Published Jan 19, 2023
Tracked Since Feb 18, 2026