CVE-2025-52939

Potential heap-buffer overflow vulnerability in NotepadNext

Published Jun 23, 2025 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-18873 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Potential heap-buffer overflow vulnerability in NotepadNext
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 9.4, 'vector': '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'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GovTech CSG
Published
Updated
Jun 23, 2025, 12:34 PM
Reserved
Jun 23, 2025, 9:24 AM
Status
Deferred
Published
Jun 23, 2025, 10:15 AM
Modified
Jun 17, 2026, 9:37 AM