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CVE Vulnerability Details :

CVE-2026-4744

PUBLISHED

More Info Official Page

Assigner-GovTech CSG

Assigner Org ID-1a37b84a-8e51-4525-b3d6-87e2fae01dbd

Published At-24 Mar, 2026 | 03:26

Updated At-24 Mar, 2026 | 14:32

▼CVE Numbering Authority (CNA)

Notepad3 Bundled Oniguruma compile_string_node() Heap Buffer Overflow via Crafted Regex Pattern Allows Arbitrary Code Execution

Out-of-bounds Read vulnerability in rizonesoft Notepad3 (‎scintilla/oniguruma/src modules). This vulnerability is associated with program files regcomp.C‎. This issue affects Notepad3: before 6.25.714.1.

Affected Products

Vendor

rizonesoft

Product

Notepad3

Collection URL

https://github.com/rizonesoft/Notepad3

Modules

‎scintilla/oniguruma/src

Program Files

regcomp.c‎

Default Status

affected

Versions

Affected

From 0 before 6.25.714.1 (git)

Problem Types

Type	CWE ID	Description
CWE	CWE-125	CWE-125 Out-of-bounds Read

Type: CWE

CWE ID: CWE-125

Description: CWE-125 Out-of-bounds Read

Metrics

Version	Base score	Base severity	Vector
4.0	9.3	CRITICAL	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:N/AU:N/R:U/V:D/RE:L/U:Amber

Version: 4.0

Base score: 9.3

Base severity: CRITICAL

Vector:

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:N/AU:N/R:U/V:D/RE:L/U:Amber

Credits

reporter

TITAN Team (titancaproject@gmail.com)

References

Hyperlink	Resource
https://github.com/rizonesoft/Notepad3/pull/5392	patch

Hyperlink: https://github.com/rizonesoft/Notepad3/pull/5392

Resource:

patch

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

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Metrics Other Info

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Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References