CVE-2016-1856

Publication date 20 May 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

WebKit, as used in Apple iOS before 9.3.2, Safari before 9.1.1, and tvOS before 9.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than CVE-2016-1854, CVE-2016-1855, and CVE-2016-1857.

Read the notes from the security team

Status

Package Ubuntu Release Status
qtwebkit-opensource-src 16.10 yakkety Ignored end of life
16.04 LTS xenial Ignored no update available
15.10 wily Ignored end of life
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
15.10 wily Ignored end of life
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life
webkit 16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
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 2.12.5-0ubuntu0.16.04.1
15.10 wily Ignored end of life
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
15.10 wily Ignored end of life
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 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3079-1
    • WebKitGTK+ vulnerabilities
    • 14 September 2016

Other references