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CVE-2026-4744 Notepad3 Bundled Oniguruma compile_string_node() Heap Buffer Overflow via Crafted Regex Pattern Allows Arbitrary Code Execution

🗓️ 24 Mar 2026 03:26:11Reported by GovTech CSGType 
vulnrichment
 vulnrichment
🔗 github.com👁 15 Views

Notepad3 has a heap buffer overflow and out-of-bounds read in oniguruma via compile_string_node.

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24 Mar 2026 03:26Current
5.8Medium risk
Vulners AI Score5.8
CVSS 49.3
EPSS0.00128
SSVC
15