CVE-2017-12176

CRITICAL9.8EPSS 0.95%

xorg-server - security update

Published: 1/24/2018Modified: 3/9/2026

Also known as:DSA-4000-1ALPINE-CVE-2017-12176DEBIAN-CVE-2017-12176

Description

xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

Affected packages (4)

Alpine/xorg-serverfrom 0, < 1.19.5-r0
Debian/xorg-serverfrom 0, < 2:1.19.5-1
Debian/xorg-serverfrom 0, < 2:1.12.4-6+deb7u8
Debian/xorg-serverfrom 0, < 2:1.16.4-1+deb8u2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	CRITICAL9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)

ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2017-12176
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2017-12176