CVE-2021-30795
Published: 27 July 2021
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. 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-opensource-src Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
focal |
Ignored
|
|
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
|
|
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
(2.32.3-0ubuntu0.18.04.1)
|
focal |
Released
(2.32.3-0ubuntu0.20.04.1)
|
|
hirsute |
Released
(2.32.3-0ubuntu0.21.04.1)
|
|
impish |
Released
(2.32.3-1ubuntu1)
|
|
jammy |
Released
(2.32.3-1ubuntu1)
|
|
kinetic |
Released
(2.32.3-1ubuntu1)
|
|
lunar |
Released
(2.32.3-1ubuntu1)
|
|
mantic |
Released
(2.32.3-1ubuntu1)
|
|
noble |
Released
(2.32.3-1ubuntu1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.32.3)
|
|
xenial |
Ignored
|
|
webkitgtk Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
focal |
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
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Ignored
|
|
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 |