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Ubuntu: USN-3456-1 (CVE-2017-12181): X.Org X server vulnerabilities

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Ubuntu: USN-3456-1 (CVE-2017-12181): X.Org X server vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
10/12/2017
Created
07/25/2018
Added
10/17/2017
Modified
03/02/2020

Description

xorg-x11-server before 1.19.5 was missing length validation in XFree86 DGA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.

Solution(s)

  • ubuntu-upgrade-xserver-xorg-core
  • ubuntu-upgrade-xserver-xorg-core-hwe-16-04
  • ubuntu-upgrade-xserver-xorg-core-lts-xenial

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