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CVE-2023-42916

Published: 30 November 2023

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.

Notes

AuthorNote
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.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
webkitgtk
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Needs triage

bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

webkit2gtk
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored

bionic Ignored

focal Ignored

jammy
Released (2.42.3-0ubuntu0.22.04.1)
lunar
Released (2.42.3-0ubuntu0.23.04.1)
mantic
Released (2.42.3-0ubuntu0.23.10.1)
upstream
Released (2.42.3)
qtwebkit-source
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Needs triage

bionic Needs triage

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

upstream Needs triage

qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Needs triage

bionic Needs triage

focal Needs triage

jammy Needs triage

lunar Ignored
(end of life, was needs-triage)
mantic Needs triage

upstream Needs triage

wpewebkit
Launchpad, Ubuntu, Debian
trusty Ignored
(end of standard support)
xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Needs triage

lunar Does not exist

mantic Does not exist

upstream Needs triage

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N