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CVE-2023-42917

Published: 30 November 2023

A memory corruption vulnerability was addressed with improved locking. 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 lead to arbitrary code execution. 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

8.8

Score breakdown

Status

Package Release Status
qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
bionic Ignored

focal Ignored

jammy Ignored

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

noble Ignored

trusty Ignored
(end of standard support)
upstream Ignored

xenial Ignored

qtwebkit-source
Launchpad, Ubuntu, Debian
bionic Ignored

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored

webkit2gtk
Launchpad, Ubuntu, Debian
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)
noble
Released (2.42.3-1)
trusty Does not exist

upstream
Released (2.42.3)
xenial Ignored

webkitgtk
Launchpad, Ubuntu, Debian
bionic Ignored

focal Does not exist

jammy Does not exist

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored

wpewebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Ignored

jammy Ignored

lunar Does not exist

mantic Does not exist

noble Does not exist

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H