CVE-2018-4271

2019-04-0300:00:00

ubuntu.com

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.006

Percentile

78.6%

JSON

Multiple memory corruption issues were addressed with improved input
validation. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1,
watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows
7.6.

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< 2.20.3-0ubuntu0.18.04.1UNKNOWN
ubuntu16.04noarchwebkit2gtk< 2.20.3-0ubuntu0.16.04.1UNKNOWN