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ubuntucveUbuntu.comUB:CVE-2021-30797
HistoryJul 27, 2021 - 12:00 a.m.

CVE-2021-30797

2021-07-2700:00:00
ubuntu.com
ubuntu.com
24

CVSS2

6.8

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

CVSS3

8.8

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

EPSS

0.004

Percentile

73.1%

JSON

This issue was addressed with improved checks. 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 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
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

6.8

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

CVSS3

8.8

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

EPSS

0.004

Percentile

73.1%

JSON
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