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ubuntucveUbuntu.comUB:CVE-2021-30682
HistorySep 08, 2021 - 12:00 a.m.

CVE-2021-30682

2021-09-0800:00:00
ubuntu.com
ubuntu.com
22

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

33.4%

JSON

A logic issue was addressed with improved restrictions. 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. A malicious application may be able to leak sensitive user
information.

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< 2.32.0-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchwebkit2gtk< 2.32.0-0ubuntu0.20.04.1UNKNOWN
ubuntu21.04noarchwebkit2gtk< 2.32.0-1ubuntu3UNKNOWN
ubuntu21.10noarchwebkit2gtk< 2.32.0-1ubuntu3UNKNOWN
ubuntu22.04noarchwebkit2gtk< 2.32.0-1ubuntu3UNKNOWN
ubuntu22.10noarchwebkit2gtk< 2.32.0-1ubuntu3UNKNOWN
ubuntu23.04noarchwebkit2gtk< 2.32.0-1ubuntu3UNKNOWN
ubuntu23.10noarchwebkit2gtk< 2.32.0-1ubuntu3UNKNOWN
ubuntu24.04noarchwebkit2gtk< 2.32.0-1ubuntu3UNKNOWN

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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

33.4%

JSON
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