--- title: "CVE-2018-5150\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-2018-5150?format=md keywords: index, follow --- # CVE-2018-5150 Publication date 10 May 2018 Last updated 25 August 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **9.8 · Critical** [Score breakdown](https://ubuntu.com/security/CVE-2018-5150?format=md#impact-score) Toggle side navigation ## Description Memory safety bugs were reported in Firefox 59, Firefox ESR 52.7, and Thunderbird 52.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8. [Read the notes from the security team](https://ubuntu.com/security/CVE-2018-5150?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | firefox | 24.04 LTS noble | Fixed 60.0+build2-0ubuntu1 | | 23.10 mantic | Fixed 60.0+build2-0ubuntu1 | | 23.04 lunar | Fixed 60.0+build2-0ubuntu1 | | 22.10 kinetic | Fixed 60.0+build2-0ubuntu1 | | 22.04 LTS jammy | Fixed 60.0+build2-0ubuntu1 | | 21.10 impish | Fixed 60.0+build2-0ubuntu1 | | 21.04 hirsute | Fixed 60.0+build2-0ubuntu1 | | 20.10 groovy | Fixed 60.0+build2-0ubuntu1 | | 20.04 LTS focal | Fixed 60.0+build2-0ubuntu1 | | 19.10 eoan | Fixed 60.0+build2-0ubuntu1 | | 19.04 disco | Fixed 60.0+build2-0ubuntu1 | | 18.10 cosmic | Fixed 60.0+build2-0ubuntu1 | | 18.04 LTS bionic | Fixed 60.0+build2-0ubuntu1 | | 17.10 artful | Fixed 60.0+build2-0ubuntu0.17.10.1 | | 16.04 LTS xenial | Fixed 60.0+build2-0ubuntu0.16.04.1 | | 14.04 LTS trusty | Fixed 60.0+build2-0ubuntu0.14.04.1 | | 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 | | 18.10 cosmic | Not in release | | 18.04 LTS bionic | Ignored | | 17.10 artful | Ignored end of life | | 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 | | 18.10 cosmic | Ignored end of life | | 18.04 LTS bionic | Fixed 52.8.1-0ubuntu0.18.04.1 | | 17.10 artful | Fixed 52.8.1-0ubuntu0.17.10.1 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | thunderbird | 24.04 LTS noble | Fixed 1:60.2.1+build1-0ubuntu1 | | 23.10 mantic | Fixed 1:60.2.1+build1-0ubuntu1 | | 23.04 lunar | Fixed 1:60.2.1+build1-0ubuntu1 | | 22.10 kinetic | Fixed 1:60.2.1+build1-0ubuntu1 | | 22.04 LTS jammy | Fixed 1:60.2.1+build1-0ubuntu1 | | 21.10 impish | Fixed 1:60.2.1+build1-0ubuntu1 | | 21.04 hirsute | Fixed 1:60.2.1+build1-0ubuntu1 | | 20.10 groovy | Fixed 1:60.2.1+build1-0ubuntu1 | | 20.04 LTS focal | Fixed 1:60.2.1+build1-0ubuntu1 | | 19.10 eoan | Fixed 1:60.2.1+build1-0ubuntu1 | | 19.04 disco | Fixed 1:60.2.1+build1-0ubuntu1 | | 18.10 cosmic | Fixed 1:60.2.1+build1-0ubuntu1 | | 18.04 LTS bionic | Fixed 1:52.8.0+build1-0ubuntu0.18.04.1 | | 17.10 artful | Fixed 1:52.8.0+build1-0ubuntu0.17.10.1 | | 16.04 LTS xenial | Fixed 1:52.8.0+build1-0ubuntu0.16.04.1 | | 14.04 LTS trusty | Fixed 1:52.8.0+build1-0ubuntu0.14.04.1 | --- * [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** 9.8 · Critical * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Network | | Attack complexity | Low | | Privileges required | None | | User interaction | None | | Scope | Unchanged | | Confidentiality impact | High | | Integrity impact | High | | Availability impact | High | * Scores | Parameter | Value | | --- | --- | | Base score | 9.8 · Critical | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5150) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-5150) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-5150) * [Debian](https://security-tracker.debian.org/tracker/CVE-2018-5150) ### Related Ubuntu Security Notices (USN) + [USN-3645-1](https://usn.ubuntu.com/USN-3645-1) + Firefox vulnerabilities + 11 May 2018 + [USN-3660-1](https://usn.ubuntu.com/USN-3660-1) + Thunderbird vulnerabilities + 25 May 2018 + [USN-3688-1](https://usn.ubuntu.com/USN-3688-1) + Spidermonkey vulnerabilities + 19 June 2018 ### Other references * * *