---
cve: "CVE-2025-40778"
severity: "HIGH"
cvss: 8.6
epss: "67%"
vendor: "ISC"
kev: false
exploited: false
published: "2025-10-22 16:15:42"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T07:19:21+02:00"
---

# CVE-2025-40778

> 8.6 HIGH

## Beschreibung

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache.
This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Keine | good |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://kb.isc.org/docs/cve-2025-40778>
- <http://www.openwall.com/lists/oss-security/2025/10/22/1>
- <https://gist.github.com/N3mes1s/f76b4a606308937b0806a5256bc1f918>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-40778) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_