CVE-2023-42916

2023-11-3000:00:00

ubuntu.com

out-of-bounds read

input validation

ios 17.1.2

ipados 17.1.2

macos sonoma 14.1.2

safari 17.1.2

sensitive information disclosure

exploited vulnerability

webkit

javascriptcore engine

bug report

unix

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.8

Confidence

High

EPSS

0.003

Percentile

66.1%

JSON

An out-of-bounds read was addressed with improved input validation. This
issue is fixed in iOS 17.1.2 and iPadOS 17.1.2, macOS Sonoma 14.1.2, Safari
17.1.2. Processing web content may disclose sensitive information. Apple is
aware of a report that this issue may have been exploited against versions
of iOS before iOS 16.7.1.

Bugs

<https://bugs.webkit.org/show_bug.cgi?id=265041>

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
mdeslaur	It is no longer possible to build new webkit2gtk versions on focal and earlier. Marking as ignored.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchwebkit2gtk< 2.42.3-0ubuntu0.22.04.1UNKNOWN
ubuntu23.04noarchwebkit2gtk< 2.42.3-0ubuntu0.23.04.1UNKNOWN
ubuntu23.10noarchwebkit2gtk< 2.42.3-0ubuntu0.23.10.1UNKNOWN
ubuntu24.04noarchwebkit2gtk< 2.42.3-1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	webkit2gtk	< 2.42.3-0ubuntu0.22.04.1	UNKNOWN
ubuntu	23.04	noarch	webkit2gtk	< 2.42.3-0ubuntu0.23.04.1	UNKNOWN
ubuntu	23.10	noarch	webkit2gtk	< 2.42.3-0ubuntu0.23.10.1	UNKNOWN
ubuntu	24.04	noarch	webkit2gtk	< 2.42.3-1	UNKNOWN