---
title: "CVE-2020-9802\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-2020-9802?format=md
keywords: index, follow
---

# CVE-2020-9802

Publication date 13 July 2020

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-2020-9802?format=md#impact-score)

Toggle side navigation

## Description

A logic issue was addressed with improved restrictions. This issue is fixed
in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1,
iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows
7.19. Processing maliciously crafted web content may lead to arbitrary code
execution.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2020-9802?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| qtwebkit | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 21.04 hirsute | Not in release |
| 20.10 groovy | Not in release |
| 20.04 LTS focal | Not in release |
| 19.10 eoan | Ignored end of life |
| 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 |
| 21.10 impish | Ignored end of life |
| 21.04 hirsute | Ignored end of life |
| 20.10 groovy | Ignored end of life |
| 20.04 LTS focal | Ignored |
| 19.10 eoan | Ignored end of life |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Ignored end of standard support, was needs-triage |
| 14.04 LTS trusty | Not in release |
| qtwebkit-source | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 21.04 hirsute | Not in release |
| 20.10 groovy | Not in release |
| 20.04 LTS focal | Not in release |
| 19.10 eoan | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Ignored end of standard support, was needs-triage |
| 14.04 LTS trusty | Not in release |
| webkit2gtk | 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Fixed 2.28.3-0ubuntu0.20.04.1 |
| 19.10 eoan | Fixed 2.28.3-0ubuntu0.19.10.1 |
| 18.04 LTS bionic | Fixed 2.28.3-0ubuntu0.18.04.1 |
| 16.04 LTS xenial | Ignored end of standard support, was deferred |
| 14.04 LTS trusty | Not in release |
| webkitgtk | 24.04 LTS noble | Not in release |
| 23.10 mantic | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not in release |
| 22.04 LTS jammy | Not in release |
| 21.10 impish | Not in release |
| 21.04 hirsute | Not in release |
| 20.10 groovy | Not in release |
| 20.04 LTS focal | Not in release |
| 19.10 eoan | Not in release |
| 18.04 LTS bionic | Ignored end of standard support, was needs-triage |
| 16.04 LTS xenial | Ignored end of standard support, was needs-triage |
| 14.04 LTS trusty | Not in release |

---

* [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-2020-9802)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-9802)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2020-9802)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2020-9802)

### Related Ubuntu Security Notices (USN)

+ [USN-4422-1](https://usn.ubuntu.com/USN-4422-1)
+ WebKitGTK+ vulnerabilities
+ 14 July 2020

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2020-9802>
