CVE-2025-52939 CRITICAL

CVE-2025-52939: Potential heap-buffer overflow vulnerability in NotepadNext

Vendor Dail8859
Product NotepadNext
Weakness CWE-787
Published June 23, 2025
Last update June 23, 2025
View on NVD All CVEs

CVSS base score

9.4/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 23, 2025 CVE published
June 23, 2025 Record updated