CVE-2025-52939

9.4 criticalEPSS 0.2%

Critical (9.4). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2025-06-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://github.com/dail8859/NotepadNext/commit/3e928d91b8fc8bb5c77801ee8652f41e98d12571
https://github.com/dail8859/NotepadNext/pull/757/files

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