---
cve: "CVE-2026-59844"
severity: "MEDIUM"
cvss: 6.5
epss: "53%"
vendor: "Red Hat"
kev: false
exploited: false
published: "2026-07-21 12:18:57"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-15T11:44:54+02:00"
---

# CVE-2026-59844

> 6.5 MEDIUM

## Beschreibung

A flaw was found in libssh. A remote authenticated client can issue SSH_FXP_READ requests with an arbitrarily large length, causing a libssh SFTP server to allocate excessive memory and potentially exhaust it through repeated requests.

## CVSS-Vektor

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

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

## Referenzen

- <https://access.redhat.com/errata/RHSA-2026:42922>
- <https://access.redhat.com/errata/RHSA-2026:55855>
- <https://access.redhat.com/security/cve/CVE-2026-59844>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2498177>
- <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-2026-59844) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_