Out-of-bounds Write Vulnerability in NotepadNext by dail8859
CVE-2025-52939

9.4CRITICAL

Key Information:

Vendor

Dail8859

Status
Notepadnext
Vendor
CVE Published:
23 June 2025

What is CVE-2025-52939?

An out-of-bounds write vulnerability has been identified in NotepadNext, located within the lua/src modules, particularly in the handling of certain program files such as ldebug.C and lvm.C. This flaw allows attackers to manipulate memory buffers, potentially leading to arbitrary code execution or application crashes. It is crucial for users of NotepadNext to apply the latest updates available to mitigate this issue effectively.

Affected Version(s)

NotepadNext 0

References

https://github.com/dail8859/NotepadNext/pull/757/files
patchthird-party-advisory
https://github.com/dail8859/NotepadNext/commit/3e928d91b8...
patch

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

TITAN Team ([email protected])
.
CVE-2025-52939 : Out-of-bounds Write Vulnerability in NotepadNext by dail8859