---
cve: "CVE-2026-58096"
severity: "HIGH"
cvss: 8.8
epss: "0.6%"
vendor: "FreeBSD"
kev: false
exploited: false
published: "2026-08-26 06:16:26"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-28T03:28:42+02:00"
---

# CVE-2026-58096

> 8.8 HIGH

## Beschreibung

LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum required by RFC 1717.  Undersized options would trigger an out-of-bounds write.

A malicious PPP peer can exploit CVE-2026-58095 and CVE-2026-58096 to crash ppp(8) or potentially execute arbitrary code as root.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## BSI-Hinweise (deutsch)

- [FreeBSD Project FreeBSD OS: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-3034)

## Referenzen

- <https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-58096) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_