Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2023-2203

Published: 17 May 2023

A flaw was found in the WebKitGTK package. An improper input validation issue may lead to a use-after-free vulnerability. This flaw allows attackers with network access to pass specially crafted web content files, causing a denial of service or arbitrary code execution. This CVE exists because of a CVE-2023-28205 security regression for the WebKitGTK package in Red Hat Enterprise Linux 8.8 and Red Hat Enterprise Linux 9.2.

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
This CVE is specific to Red Hat's webkitgtk package, Ubuntu is
not vulnerable to this issue.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
qtwebkit-opensource-src
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

trusty Ignored
(end of standard support)
upstream Not vulnerable

xenial Not vulnerable

qtwebkit-source
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Ignored
(end of standard support)
upstream Not vulnerable

xenial Not vulnerable

webkit2gtk
Launchpad, Ubuntu, Debian
bionic Deferred

focal Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

trusty Does not exist

upstream Not vulnerable
(debian: RHEL-specific backport regression)
xenial Deferred

webkitgtk
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Ignored
(end of standard support)
upstream Not vulnerable

xenial Not vulnerable

wpewebkit
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Not vulnerable

jammy Not vulnerable

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Ignored
(end of standard support)
upstream Not vulnerable

xenial Does not exist

Severity score breakdown

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