CVE-2016-4707

Publication date 25 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

CFNetwork in Apple iOS before 10 and OS X before 10.12 mishandles Local Storage deletion, which allows local users to discover the visited web sites of arbitrary users via unspecified vectors.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
webkit	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life
qtwebkit-opensource-src	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Ignored no update available
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release
qtwebkit-source	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Ignored no update available
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored end of life
webkit2gtk	16.10 yakkety	Not affected
	16.04 LTS xenial	Fixed 2.14.2-0ubuntu0.16.04.1
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release
webkitgtk	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Ignored no update available
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not in release

Notes

jdstrand

webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8

Severity score breakdown

Parameter	Value
Base score	4.0 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

USN-3166-1
WebKitGTK+ vulnerabilities
10 January 2017