---
cve: "CVE-2017-12178"
severity: "LOW"
cvss: 3.1
epss: "4.2%"
vendor: "The X.Org Foundation"
kev: false
exploited: false
published: "2018-01-24 15:29:00"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T22:31:14+02:00"
---

# CVE-2017-12178

> 3.1 LOW

## Beschreibung

xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

## Patch verfügbar (OSV)

- b96e982e3a43513549636850186ff80a82190f64 (Commit)

## Referenzen

- <https://www.debian.org/security/2017/dsa-4000>
- <https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html>
- <https://bugzilla.redhat.com/show_bug.cgi?id=1509219>
- <https://security.gentoo.org/glsa/201711-05>
- <https://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2017-12178) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_