---
cve: "CVE-2016-9603"
severity: "MEDIUM"
cvss: 5.5
epss: "4.5%"
vendor: "qemu"
kev: false
exploited: false
published: "2018-07-27 21:29:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T03:39:33+02:00"
---

# CVE-2016-9603

> 5.5 MEDIUM

## Beschreibung

A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.

## CVSS-Vektor

```
CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
```

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

## Patch verfügbar (OSV)

- 359c41abe32638adad503e386969fa428cecff52 (Commit)
- 359c41abe32638adad503e386969fa428cecff52 (Commit)

## Referenzen

- <http://www.securityfocus.com/bid/96893>
- <https://access.redhat.com/errata/RHSA-2017:0983>
- <https://access.redhat.com/errata/RHSA-2017:0982>
- <https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html>
- <https://security.gentoo.org/glsa/201706-03>
- <https://access.redhat.com/errata/RHSA-2017:1206>
- <http://www.securitytracker.com/id/1038023>
- <https://support.citrix.com/article/CTX221578>
- <https://access.redhat.com/errata/RHSA-2017:0985>
- <https://access.redhat.com/errata/RHSA-2017:0987>
- <https://access.redhat.com/errata/RHSA-2017:0984>
- <https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html>
- <https://access.redhat.com/errata/RHSA-2017:0988>
- <https://access.redhat.com/errata/RHSA-2017:1441>
- <https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9603>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2016-9603) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_