CVE-2020-9947
Publication date 8 December 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Status
Package | Ubuntu Release | Status |
---|---|---|
qtwebkit-opensource-src | 24.04 LTS noble | Ignored |
22.04 LTS jammy | Ignored | |
20.04 LTS focal | Ignored | |
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 |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Ignored | |
14.04 LTS trusty | Not in release | |
webkit2gtk | 24.04 LTS noble |
Fixed 2.30.3-1
|
22.04 LTS jammy |
Fixed 2.30.3-1
|
|
20.04 LTS focal |
Fixed 2.30.3-0ubuntu0.20.04.1
|
|
18.04 LTS bionic |
Fixed 2.30.3-0ubuntu0.18.04.1
|
|
16.04 LTS xenial | Ignored | |
14.04 LTS trusty | Not in release | |
webkitgtk | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Not in release | |
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Ignored | |
14.04 LTS trusty | Not in release | |
wpewebkit | 24.04 LTS noble | Not in release |
22.04 LTS jammy | Ignored | |
20.04 LTS focal | Ignored | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |