CVE-2020-9951
Published: 24 November 2020
A use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Notes
| Author | Note |
|---|---|
| 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 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qtwebkit Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
qtwebkit-opensource-src Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
| focal |
Ignored
|
|
| groovy |
Ignored
(end of life)
|
|
| hirsute |
Ignored
(end of life)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Ignored
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| lunar |
Ignored
(end of life, was needs-triage)
|
|
| mantic |
Ignored
|
|
| noble |
Ignored
|
|
| trusty |
Does not exist
|
|
| upstream |
Ignored
|
|
| xenial |
Ignored
|
|
|
qtwebkit-source Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
|
|
|
webkit2gtk Launchpad, Ubuntu, Debian |
bionic |
Released
(2.30.3-0ubuntu0.18.04.1)
|
| focal |
Released
(2.30.3-0ubuntu0.20.04.1)
|
|
| groovy |
Not vulnerable
(2.30.1-1)
|
|
| hirsute |
Not vulnerable
(2.30.1-1)
|
|
| impish |
Not vulnerable
(2.30.1-1)
|
|
| jammy |
Not vulnerable
(2.30.1-1)
|
|
| kinetic |
Not vulnerable
(2.30.1-1)
|
|
| lunar |
Not vulnerable
(2.30.1-1)
|
|
| mantic |
Not vulnerable
(2.30.1-1)
|
|
| noble |
Not vulnerable
(2.30.1-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.30.0)
|
|
| xenial |
Ignored
|
|
|
webkitgtk Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
|
|
|
wpewebkit Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Ignored
|
|
| groovy |
Not vulnerable
(2.30.0-1)
|
|
| hirsute |
Not vulnerable
(2.30.0-1)
|
|
| impish |
Not vulnerable
(2.30.0-1)
|
|
| jammy |
Not vulnerable
(2.30.0-1)
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| noble |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| 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 |