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ubuntucveUbuntu.comUB:CVE-2021-30689
HistoryJul 27, 2021 - 12:00 a.m.

CVE-2021-30689

2021-07-2700:00:00
ubuntu.com
ubuntu.com
22

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.002

Percentile

54.2%

JSON

A logic issue was addressed with improved state management. This issue is
fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur
11.4, watchOS 7.5. Processing maliciously crafted web content may lead to
universal cross site scripting.

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
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchwebkit2gtk< 2.32.3-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchwebkit2gtk< 2.32.3-0ubuntu0.20.04.1UNKNOWN
ubuntu21.04noarchwebkit2gtk< 2.32.3-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchwebkit2gtk< 2.32.3-1ubuntu1UNKNOWN
ubuntu22.04noarchwebkit2gtk< 2.32.3-1ubuntu1UNKNOWN
ubuntu22.10noarchwebkit2gtk< 2.32.3-1ubuntu1UNKNOWN
ubuntu23.04noarchwebkit2gtk< 2.32.3-1ubuntu1UNKNOWN
ubuntu23.10noarchwebkit2gtk< 2.32.3-1ubuntu1UNKNOWN
ubuntu24.04noarchwebkit2gtk< 2.32.3-1ubuntu1UNKNOWN

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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.002

Percentile

54.2%

JSON
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