---
cve: "CVE-2026-43798"
severity: "LOW"
cvss: 3.1
epss: "5.2%"
vendor: "Apple"
kev: false
exploited: false
published: "2026-08-20 21:17:06"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T14:57:58+02:00"
---

# CVE-2026-43798

> 3.1 LOW · 🧪 PoC

## Beschreibung

A single crafted SSH message gives an unauthenticated network attacker an out-of-bounds stack write of attacker-controlled length and content against any application built on swift-nio-ssh. This vulnerability is addressed in swift-nio-ssh version 0.14.1.

## Patch verfügbar (OSV)

- 31cdc3c3391a10460dedf1170530cf651d2ca496 (Commit)

## Referenzen

- <https://github.com/apple/swift-nio-ssh/security/advisories/GHSA-998x-vgvp-xwpc>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-43798) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_