CVE-2017-10972

Publication date 6 July 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Uninitialized data in endianness conversion in the XEvent handling of the X.Org X Server before 2017-06-19 allowed authenticated malicious users to access potentially privileged data from the X server.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
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-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
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	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

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=054

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

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