---
cve: "CVE-2026-59847"
severity: "MEDIUM"
cvss: 5.9
epss: "31%"
vendor: "Red Hat"
kev: false
exploited: false
published: "2026-07-21 14:16:34"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T11:03:14+02:00"
---

# CVE-2026-59847

> 5.9 MEDIUM

## Beschreibung

A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.

## CVSS-Vektor

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

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

## Referenzen

- <https://access.redhat.com/errata/RHSA-2026:42922>
- <https://access.redhat.com/errata/RHSA-2026:55855>
- <https://access.redhat.com/security/cve/CVE-2026-59847>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2498180>
- <https://access.redhat.com/errata/RHSA-2026:62217>
- <https://access.redhat.com/errata/RHSA-2026:62218>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-59847) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_