CVE-2021-30836
Published: 28 October 2021
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Processing a maliciously crafted audio file may disclose restricted memory.
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
(2.32.4-0ubuntu0.18.04.1)
|
| focal |
Released
(2.32.4-0ubuntu0.20.04.1)
|
|
| hirsute |
Released
(2.32.4-0ubuntu0.21.04.1)
|
|
| impish |
Not vulnerable
(2.33.90-1ubuntu1)
|
|
| jammy |
Not vulnerable
(2.33.90-1ubuntu1)
|
|
| kinetic |
Not vulnerable
(2.33.90-1ubuntu1)
|
|
| lunar |
Not vulnerable
(2.33.90-1ubuntu1)
|
|
| mantic |
Not vulnerable
(2.33.90-1ubuntu1)
|
|
| noble |
Not vulnerable
(2.33.90-1ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.32.4)
|
|
| 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 | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |