CVE-2021-30666
Published: 8 September 2021
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
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
|
focal |
Needs triage
|
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Needs triage
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Needs triage
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
impish |
Ignored
(end of life)
|
|
mantic |
Needs triage
|
|
lunar |
Ignored
(end of life, was needs-triage)
|
|
qtwebkit-source Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Does not exist
|
|
hirsute |
Does not exist
|
|
jammy |
Does not exist
|
|
lunar |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
impish |
Does not exist
|
|
xenial |
Needs triage
|
|
kinetic |
Does not exist
|
|
mantic |
Does not exist
|
|
webkit2gtk Launchpad, Ubuntu, Debian |
bionic |
Released
(2.26.1-0ubuntu0.18.04.1)
|
focal |
Not vulnerable
(2.26.1-3)
|
|
hirsute |
Not vulnerable
(2.26.1-3)
|
|
jammy |
Not vulnerable
(2.26.1-3)
|
|
lunar |
Not vulnerable
(2.26.1-3)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(2.26.0)
|
|
xenial |
Deferred
|
|
impish |
Not vulnerable
(2.26.1-3)
|
|
kinetic |
Not vulnerable
(2.26.1-3)
|
|
mantic |
Not vulnerable
(2.26.1-3)
|
|
webkitgtk Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Does not exist
|
|
hirsute |
Does not exist
|
|
jammy |
Does not exist
|
|
lunar |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
impish |
Does not exist
|
|
xenial |
Needs triage
|
|
kinetic |
Does not exist
|
|
mantic |
Does not exist
|
|
wpewebkit Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Needs triage
|
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Needs triage
|
|
lunar |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
impish |
Ignored
(end of life)
|
|
kinetic |
Does not exist
|
|
mantic |
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 |