Out-of-Bounds Affecting xorg-server-hwe-16.04 package, versions <2:1.18.4-1ubuntu6.1~16.04.2


Severity

Recommended
medium

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    2.62% (91st percentile)

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  • Snyk ID SNYK-UBUNTU1604-XORGSERVERHWE1604-278436
  • published 6 Jul 2017
  • disclosed 6 Jul 2017

How to fix?

Upgrade Ubuntu:16.04 xorg-server-hwe-16.04 to version 2:1.18.4-1ubuntu6.1~16.04.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-server-hwe-16.04 package and not the xorg-server-hwe-16.04 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

In the X.Org X server before 2017-06-19, a user authenticated to an X Session could crash or execute code in the context of the X Server by exploiting a stack overflow in the endianness conversion of X Events.