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CRITICALCVE-2026-4744Published Modified CNA GovTech CSG

CVE-2026-4744: 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.

Metrics

CVSS v4.0
9.3
Severity
CRITICAL
Fixed in
6.25.714.1
Affected Products
1

Fix available

6.25.714.1
Patch commits
Affected packages
  • rizonesoft / Notepad3
    < 6.25.714.1 (from 0)
CVSS 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
References