CVE-2018-4316

Publication date 28 September 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

A memory corruption issue was addressed with improved state management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Read the notes from the security team

Status

Package Ubuntu Release Status
qtwebkit 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Ignored end of life
19.04 disco Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
qtwebkit-opensource-src 24.04 LTS noble Ignored
23.10 mantic Ignored
23.04 lunar Ignored end of life, was needs-triage
22.10 kinetic Ignored end of life, was needs-triage
22.04 LTS jammy Ignored
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal Ignored
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
qtwebkit-source 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
webkit2gtk 24.04 LTS noble
Fixed 2.22.2-1ubuntu1
23.10 mantic
Fixed 2.22.2-1ubuntu1
23.04 lunar
Fixed 2.22.2-1ubuntu1
22.10 kinetic
Fixed 2.22.2-1ubuntu1
22.04 LTS jammy
Fixed 2.22.2-1ubuntu1
21.10 impish
Fixed 2.22.2-1ubuntu1
21.04 hirsute
Fixed 2.22.2-1ubuntu1
20.10 groovy
Fixed 2.22.2-1ubuntu1
20.04 LTS focal
Fixed 2.22.2-1ubuntu1
19.10 eoan
Fixed 2.22.2-1ubuntu1
19.04 disco
Fixed 2.22.2-1ubuntu1
18.10 cosmic
Fixed 2.22.2-1ubuntu1
18.04 LTS bionic
Fixed 2.22.2-0ubuntu0.18.04.1
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
webkitgtk 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic Ignored end of life
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty 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-3781-1
    • WebKitGTK+ vulnerabilities
    • 3 October 2018

Other references