Ubuntu.comUB:CVE-2021-30953CVE-2021-30953
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
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
0.005 Low
EPSS
Percentile
77.0%
An out-of-bounds read was addressed with improved bounds checking. This
issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and
iPadOS 15.2, watchOS 8.3. 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 | 20.04 | noarch | webkit2gtk | < 2.34.4-0ubuntu0.20.04.1 | UNKNOWN |
| ubuntu | 21.10 | noarch | webkit2gtk | < 2.34.4-0ubuntu0.21.10.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | webkit2gtk | < 2.35.2-1 | UNKNOWN |
| ubuntu | 22.10 | noarch | webkit2gtk | < 2.35.2-1 | UNKNOWN |
| ubuntu | 23.04 | noarch | webkit2gtk | < 2.35.2-1 | UNKNOWN |
| ubuntu | 23.10 | noarch | webkit2gtk | < 2.35.2-1 | UNKNOWN |
| ubuntu | 24.04 | noarch | webkit2gtk | < 2.35.2-1 | UNKNOWN |
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
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
0.005 Low
EPSS
Percentile
77.0%