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ubuntucveUbuntu.comUB:CVE-2020-27918
HistoryMar 26, 2021 - 12:00 a.m.

CVE-2020-27918

2021-03-2600:00:00
ubuntu.com
ubuntu.com
13

6.8 Medium

CVSS2

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

51.8%

JSON

A use after free issue was addressed with improved memory management. This
issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS
14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for
Windows. 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
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchwebkit2gtk< 2.30.6-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchwebkit2gtk< 2.30.6-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchwebkit2gtk< 2.30.6-0ubuntu0.20.10.1UNKNOWN
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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6.8 Medium

CVSS2

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

51.8%

JSON
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