Ubuntu.comUB:CVE-2021-30795CVE-2021-30795
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
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.004 Low
EPSS
Percentile
73.9%
A use after free issue was addressed with improved memory management. This
issue is fixed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6,
tvOS 14.7. 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 | < 2.32.3-0ubuntu0.18.04.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | webkit2gtk | < 2.32.3-0ubuntu0.20.04.1 | UNKNOWN |
| ubuntu | 21.04 | noarch | webkit2gtk | < 2.32.3-0ubuntu0.21.04.1 | 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
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.004 Low
EPSS
Percentile
73.9%