---
title: "CVE-2019-17010\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-2019-17010?format=md
keywords: index, follow
---

# CVE-2019-17010

Publication date 4 December 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2019-17010?format=md#impact-score)

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## Description

Under certain conditions, when checking the Resist Fingerprinting
preference during device orientation checks, a race condition could have
caused a use-after-free and a potentially exploitable crash. This
vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox <
71.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-17010?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 24.04 LTS noble | Fixed 71.0+build5-0ubuntu1 |
| 23.10 mantic | Fixed 71.0+build5-0ubuntu1 |
| 23.04 lunar | Fixed 71.0+build5-0ubuntu1 |
| 22.10 kinetic | Fixed 71.0+build5-0ubuntu1 |
| 22.04 LTS jammy | Fixed 71.0+build5-0ubuntu1 |
| 21.10 impish | Fixed 71.0+build5-0ubuntu1 |
| 21.04 hirsute | Fixed 71.0+build5-0ubuntu1 |
| 20.10 groovy | Fixed 71.0+build5-0ubuntu1 |
| 20.04 LTS focal | Fixed 71.0+build5-0ubuntu1 |
| 19.10 eoan | Fixed 71.0+build5-0ubuntu0.19.10.1 |
| 19.04 disco | Fixed 71.0+build5-0ubuntu0.19.04.1 |
| 18.04 LTS bionic | Fixed 71.0+build5-0ubuntu0.18.04.1 |
| 16.04 LTS xenial | Fixed 71.0+build5-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Not in release |
| mozjs38 | 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 |
| 19.04 disco | Not in release |
| 18.04 LTS bionic | Ignored |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| mozjs52 | 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 | Ignored end of life |
| 20.04 LTS focal | Ignored |
| 19.10 eoan | Ignored end of life |
| 19.04 disco | Ignored end of life |
| 18.04 LTS bionic | Ignored |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| mozjs60 | 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 |
| 19.04 disco | 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 |
| thunderbird | 24.04 LTS noble | Fixed 1:68.3.0+build2-0ubuntu1 |
| 23.10 mantic | Fixed 1:68.3.0+build2-0ubuntu1 |
| 23.04 lunar | Fixed 1:68.3.0+build2-0ubuntu1 |
| 22.10 kinetic | Fixed 1:68.3.0+build2-0ubuntu1 |
| 22.04 LTS jammy | Fixed 1:68.3.0+build2-0ubuntu1 |
| 21.10 impish | Fixed 1:68.3.0+build2-0ubuntu1 |
| 21.04 hirsute | Fixed 1:68.3.0+build2-0ubuntu1 |
| 20.10 groovy | Fixed 1:68.3.0+build2-0ubuntu1 |
| 20.04 LTS focal | Fixed 1:68.3.0+build2-0ubuntu1 |
| 19.10 eoan | Fixed 1:68.4.1+build1-0ubuntu0.19.10.1 |
| 19.04 disco | Ignored end of life |
| 18.04 LTS bionic | Fixed 1:68.4.1+build1-0ubuntu0.18.04.1 |
| 16.04 LTS xenial | Fixed 1:68.7.0+build1-0ubuntu0.16.04.2 |
| 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

---

### [tyhicks](https://launchpad.net/~tyhicks)

mozjs contains a copy of the SpiderMonkey JavaScript engine

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17010)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-17010)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-17010)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-17010)

### Related Ubuntu Security Notices (USN)

+ [USN-4216-2](https://usn.ubuntu.com/USN-4216-2)
+ Firefox vulnerabilities
+ 13 December 2019

+ [USN-4216-1](https://usn.ubuntu.com/USN-4216-1)
+ Firefox vulnerabilities
+ 9 December 2019

+ [USN-4335-1](https://usn.ubuntu.com/USN-4335-1)
+ Thunderbird vulnerabilities
+ 21 April 2020

+ [USN-4241-1](https://usn.ubuntu.com/USN-4241-1)
+ Thunderbird vulnerabilities
+ 16 January 2020

### Other references

* <https://www.mozilla.org/en-US/security/advisories/mfsa2019-36/#CVE-2019-17010>
* <https://www.mozilla.org/en-US/security/advisories/mfsa2019-37/#CVE-2019-17010>
* <https://www.mozilla.org/en-US/security/advisories/mfsa2019-38/#CVE-2019-17010>
* <https://www.cve.org/CVERecord?id=CVE-2019-17010>
