CVE-2022-31902

MEDIUM

Notepad++ < 8.4.3 - Stack Overflow in Finder::add()

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-31902. PoCs published by CDACesec.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2022-31902, a Denial of Service (DoS) vulnerability in Notepad++ (x86) versions up to 8.4.3. The root cause is identified as a memory allocation failure in the `finder::add` function, leading to a `bad_alloc` exception when processing a specially crafted text file.

Description

Notepad++ v8.4.1 was discovered to contain a stack overflow via the component Finder::add().

Exploits (1)

nomisec WRITEUP 1 stars
by CDACesec · poc
https://github.com/CDACesec/CVE-2022-31902

This repository provides a detailed technical analysis of CVE-2022-31902, a Denial of Service (DoS) vulnerability in Notepad++ (x86) versions up to 8.4.3. The root cause is identified as a memory allocation failure in the `finder::add` function, leading to a `bad_alloc` exception when processing a specially crafted text file.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Notepad++ (x86) versions 8.4.3 and before
No auth needed
Prerequisites: A specially crafted text file · Access to Notepad++ application
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2
Core References
Broken Link
http://notepad.com
Exploit, Third Party Advisory
https://github.com/CDACesec/CVE-2022-31902

Scores

CVSS v3 5.5
EPSS 0.0058
EPSS Percentile 43.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/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 Feb 01, 2023
Tracked Since Feb 18, 2026