Ubuntu.comUB:CVE-2021-30846CVE-2021-30846
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/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
0.001 Low
EPSS
Percentile
39.2%
A memory corruption issue was addressed with improved memory handling. This
issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, tvOS 15, iOS 15 and
iPadOS 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 |
| mdeslaur | webkit2gtk no longer builds on bionic’s toolchain |
| 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
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/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
0.001 Low
EPSS
Percentile
39.2%