CVE-2016-7952

Publication date 13 December 2016

Last updated 20 October 2026

Ubuntu priority

Cvss 3 Severity Score

Description

X.org libXtst before 1.2.3 allows remote X servers to cause a denial of service (infinite loop) via a reply in the (1) XRecordStartOfData, (2) XRecordEndOfData, or (3) XRecordClientDied category without a client sequence and with attached data.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libxtst	26.10 stonking	Fixed in 2:1.2.3-1
	26.04 LTS resolute	Fixed in 2:1.2.3-1
	25.10 questing	Fixed in 2:1.2.3-1
	25.04 plucky	Fixed in 2:1.2.3-1
	24.10 oracular	Fixed in 2:1.2.3-1
	24.04 LTS noble	Fixed in 2:1.2.3-1
	23.10 mantic	Fixed in 2:1.2.3-1
	23.04 lunar	Fixed in 2:1.2.3-1
	22.10 kinetic	Fixed in 2:1.2.3-1
	22.04 LTS jammy	Fixed in 2:1.2.3-1
	21.10 impish	Fixed in 2:1.2.3-1
	21.04 hirsute	Fixed in 2:1.2.3-1
	20.10 groovy	Fixed in 2:1.2.3-1
	20.04 LTS focal	Fixed in 2:1.2.3-1
	19.10 eoan	Fixed in 2:1.2.3-1
	19.04 disco	Fixed in 2:1.2.3-1
	18.10 cosmic	Fixed in 2:1.2.3-1
	18.04 LTS bionic	Fixed in 2:1.2.3-1
	17.10 artful	Ignored end of life
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed in 2:1.2.2-1ubuntu0.1~esm1
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life

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Notes

sbeattie

same commit as CVE-2016-7951

msalatore

patch released in 2:1.2.2-1+deb8u1

Patch details

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

Package	Patch details
libxtst	Upstream: ?id=955

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-