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ubuntucveUbuntu.comUB:CVE-2021-30890
HistoryAug 24, 2021 - 12:00 a.m.

CVE-2021-30890

2021-08-2400:00:00
ubuntu.com
ubuntu.com
10

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

0.008

Percentile

81.2%

A logic issue was addressed with improved state management. This issue is
fixed in macOS Monterey 12.0.1, iOS 15.1 and iPadOS 15.1, watchOS 8.1, tvOS
15.1. 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
ubuntu20.04noarchwebkit2gtk< 2.34.3-0ubuntu0.20.04.1UNKNOWN
ubuntu21.04noarchwebkit2gtk< 2.34.3-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchwebkit2gtk< 2.34.3-0ubuntu0.21.10.1UNKNOWN
ubuntu22.04noarchwebkit2gtk< 2.34.3-1UNKNOWN
ubuntu22.10noarchwebkit2gtk< 2.34.3-1UNKNOWN
ubuntu23.04noarchwebkit2gtk< 2.34.3-1UNKNOWN
ubuntu23.10noarchwebkit2gtk< 2.34.3-1UNKNOWN
ubuntu24.04noarchwebkit2gtk< 2.34.3-1UNKNOWN

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

0.008

Percentile

81.2%