CVE-2022-42856

2023-01-0400:00:00

ubuntu.com

type confusion

safari

tvos

macos ventura

ios

ipados

arbitrary code execution

crafted web content

security issue

active exploitation

apple awareness

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

0.007

Percentile

80.7%

JSON

A type confusion issue was addressed with improved state handling. This
issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2
and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content
may lead to arbitrary code execution. Apple is aware of a report that this
issue may have been actively exploited against versions of iOS released
before iOS 15.1…

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< 2.38.3-0ubuntu0.20.04.1UNKNOWN
ubuntu22.04noarchwebkit2gtk< 2.38.3-0ubuntu0.22.04.1UNKNOWN
ubuntu22.10noarchwebkit2gtk< 2.38.3-0ubuntu0.22.10.1UNKNOWN
ubuntu23.04noarchwebkit2gtk< 2.38.3-1UNKNOWN
ubuntu23.10noarchwebkit2gtk< 2.38.3-1UNKNOWN
ubuntu24.04noarchwebkit2gtk< 2.38.3-1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	webkit2gtk	< 2.38.3-0ubuntu0.20.04.1	UNKNOWN
ubuntu	22.04	noarch	webkit2gtk	< 2.38.3-0ubuntu0.22.04.1	UNKNOWN
ubuntu	22.10	noarch	webkit2gtk	< 2.38.3-0ubuntu0.22.10.1	UNKNOWN
ubuntu	23.04	noarch	webkit2gtk	< 2.38.3-1	UNKNOWN
ubuntu	23.10	noarch	webkit2gtk	< 2.38.3-1	UNKNOWN
ubuntu	24.04	noarch	webkit2gtk	< 2.38.3-1	UNKNOWN