---
cve: "CVE-2025-52939"
severity: "CRITICAL"
cvss: 9.4
epss: "0.2%"
vendor: "dail8859"
kev: false
exploited: false
published: "2025-06-23 10:15:28"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-09T09:38:15+02:00"
---

# CVE-2025-52939

> 9.4 CRITICAL · 🧪 PoC

## Beschreibung

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.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 5875f739855ea0c80dba7a1f10ec8ab248587697 (Commit)
- 3e928d91b8fc8bb5c77801ee8652f41e98d12571 (Commit)

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2025-52939/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_