CVE-2021-30734
Published: 27 July 2021
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. 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 |
Needs triage
|
| hirsute |
Ignored
(end of life)
|
|
| lunar |
Needs triage
|
|
| trusty |
Does not exist
|
|
| xenial |
Needs triage
|
|
| focal |
Needs triage
|
|
| upstream |
Needs triage
|
|
| kinetic |
Ignored
(end of life, was needs-triage)
|
|
| jammy |
Needs triage
|
|
| impish |
Ignored
(end of life)
|
|
|
qtwebkit-source Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
| impish |
Does not exist
|
|
|
webkit2gtk Launchpad, Ubuntu, Debian |
jammy |
Released
(2.32.3-1ubuntu1)
|
| kinetic |
Released
(2.32.3-1ubuntu1)
|
|
| lunar |
Released
(2.32.3-1ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.32.3)
|
|
| xenial |
Deferred
|
|
| 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)
|
|
|
webkitgtk Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
| focal |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needs triage
|
|
| impish |
Does not exist
|
|
|
wpewebkit Launchpad, Ubuntu, Debian |
hirsute |
Ignored
(end of life)
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Needs triage
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
| trusty |
Does not exist
|
|
| bionic |
Does not exist
|
|
| focal |
Needs triage
|
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 |