Ubuntu.comUB:CVE-2021-30818CVE-2021-30818
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
80.1%
A type confusion issue was addressed with improved state handling. This
issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15,
Safari 15, watchOS 8. 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 |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | qtwebkit-opensource-src | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | qtwebkit-opensource-src | < any | UNKNOWN |
| ubuntu | 22.04 | noarch | qtwebkit-opensource-src | < any | UNKNOWN |
| ubuntu | 23.10 | noarch | qtwebkit-opensource-src | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | qtwebkit-opensource-src | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | qtwebkit-source | < any | UNKNOWN |
| ubuntu | 16.04 | noarch | qtwebkit-source | < any | UNKNOWN |
| ubuntu | 18.04 | noarch | webkit2gtk | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | webkit2gtk | < 2.34.1-0ubuntu0.20.04.1 | UNKNOWN |
| ubuntu | 21.04 | noarch | webkit2gtk | < 2.34.1-0ubuntu0.21.04.1 | UNKNOWN |
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.007 Low
EPSS
Percentile
80.1%