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CVE-2023-32373

Published: 23 June 2023

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. 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.

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

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

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

focal Needs triage

jammy Needs triage

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

noble Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Needs triage

qtwebkit-source
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

kinetic 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 Needs triage

webkit2gtk
Launchpad, Ubuntu, Debian
bionic Deferred

focal Ignored

jammy
Released (2.40.4-0ubuntu0.22.04.1)
kinetic Ignored
(end of life, was needed)
lunar
Released (2.40.4-0ubuntu0.23.04.1)
mantic Not vulnerable
(2.40.2-1ubuntu2)
noble Not vulnerable
(2.40.2-1ubuntu2)
trusty Does not exist

upstream
Released (2.40.2)
xenial Deferred

webkitgtk
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

kinetic 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 Needs triage

wpewebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

jammy Needs triage

kinetic 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 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