CVE-2025-52939

Potential heap-buffer overflow vulnerability in NotepadNext

State: Published
Severity: 9.4 Critical
Published: Jun 23, 2025
Updated: Jun 23, 2025
Reserved: Jun 23, 2025

Description

Out-of-bounds Write vulnerability in dail8859 NotepadNext (src/lua/src modules). This vulnerability is associated with program files ldebug.C, lvm.C.

This issue affects NotepadNext: through v0.11.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:M/U:Red	GovTech CSG

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
NotepadNextdail8859	v0.11 and earlierAffected

References

https://github.com/dail8859/NotepadNext/pull/757/filespatchthird-party-advisory
https://github.com/dail8859/NotepadNext/commit/3e928d91b8fc8bb5c77801ee8652f41e98d12571patch

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