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Unrated severityNVD Advisory· Published Mar 24, 2026· Updated Mar 24, 2026

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

CVE-2026-4744

Description

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.

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Affected products

1
  • rizonesoft/Notepad3v5
    Range: 0

Patches

Vulnerability mechanics

References

1

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