CVE-2017-10971

Publication date 6 July 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
xorg	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
xorg-hwe-16.04	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
xorg-server	17.04 zesty	Fixed 2:1.19.3-1ubuntu1.1
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2:1.18.4-0ubuntu0.3
	14.04 LTS trusty	Fixed 2:1.15.1-0ubuntu2.9
xorg-server-lts-utopic	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
xorg-server-lts-vivid	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
xorg-server-lts-wily	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
xorg-server-lts-xenial	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Fixed 2:1.18.3-1ubuntu2.3~trusty2
xorg-server-hwe-16.04	17.04 zesty	Not in release
	16.10 yakkety	Not in release
	16.04 LTS xenial	Fixed 2:1.18.4-1ubuntu6.1~16.04.2
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
xorg-server	Upstream: ?id=ba3 Upstream: ?id=8ca Upstream: ?id=215

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3362-1
X.Org X server vulnerabilities
24 July 2017