---
title: "CVE-2022-42826\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2022-42826?format=md
keywords: index, follow
---

# CVE-2022-42826

Publication date 3 February 2023

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2022-42826?format=md#impact-score)

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## Description

A use after free issue was addressed with improved memory management. This
issue is fixed in macOS Ventura 13, iOS 16.1 and iPadOS 16, Safari 16.1.
Processing maliciously crafted web content may lead to arbitrary code
execution.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2022-42826?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| wpewebkit | 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Ignored |
| 20.04 LTS focal | Ignored |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| qtwebkit-opensource-src | 24.04 LTS noble | Ignored |
| 23.10 mantic | Ignored |
| 23.04 lunar | Ignored end of life, was needs-triage |
| 22.10 kinetic | Ignored end of life, was needs-triage |
| 22.04 LTS jammy | Ignored |
| 20.04 LTS focal | Ignored |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |
| qtwebkit-source | 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |
| webkit2gtk | 24.04 LTS noble | Fixed 2.38.4-2 |
| 23.10 mantic | Fixed 2.38.4-2 |
| 23.04 lunar | Fixed 2.38.4-2 |
| 22.10 kinetic | Fixed 2.38.4-0ubuntu0.22.10.1 |
| 22.04 LTS jammy | Fixed 2.38.4-0ubuntu0.22.04.1 |
| 20.04 LTS focal | Fixed 2.38.4-0ubuntu0.20.04.2 |
| 18.04 LTS bionic | Ignored end of standard support, was deferred |
| 16.04 LTS xenial | Ignored end of standard support, was deferred |
| 14.04 LTS trusty | Not in release |
| webkitgtk | 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 20.04 LTS focal | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Ignored end of standard support |
| 14.04 LTS trusty | Ignored end of standard support |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Notes

---

### [jdstrand](https://launchpad.net/~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

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42826)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-42826)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-42826)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2022-42826)

### Related Ubuntu Security Notices (USN)

+ [USN-5867-1](https://usn.ubuntu.com/USN-5867-1)
+ WebKitGTK vulnerabilities
+ 13 February 2023

### Other references

* <https://webkitgtk.org/security/WSA-2023-0001.html>
* <https://www.cve.org/CVERecord?id=CVE-2022-42826>