---
cve: "CVE-2026-84269"
severity: "MEDIUM"
cvss: 6.5
epss: "0.2%"
vendor: "Gnome"
kev: false
exploited: false
published: "2026-09-01 15:19:08"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-24T07:10:54+02:00"
---

# CVE-2026-84269

> 6.5 MEDIUM

## Beschreibung

A flaw was found in the AFP backend in gvfs. When mounting a share, a malicious AFP server can cause the DSI read path to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the pre-sized reply buffer, causing the operation to access past the intended boundaries. This issue allows a malicious server to overflow a heap buffer and crash the gvfsd-afp process, resulting in a denial of service.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 5651571370400cf0a114f61af2fa96e0ff4784d5 (Commit)

## Referenzen

- <https://access.redhat.com/security/cve/CVE-2026-84269>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2526784>
- <https://gitlab.gnome.org/GNOME/gvfs/-/issues/863>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-84269) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_