by Kastro
Paper/Archive/CVE-2025-52939

CVE-2025-52939

dail8859 NotepadNext — Potential heap-buffer overflow vulnerability in NotepadNext

EPSS 0.2%CVSS 9.4
critical.is priorityof 100
30
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 6.9.069 × 201.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
NotepadNext≤ v0.11–CNA

Scores by source

GovTech CSG (CNA)9.4CVSS: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
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchgithub.com/dail8859/NotepadNext/pull/757/filespatchgithub.com/dail8859/NotepadNext/commit/3e928d91b8fc8bb5c77801ee8652f41e98d12571