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CVE-2019-9793

Publication date 20 March 2019

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. This vulnerability could allow an attacker to create an arbitrary value in compiled JavaScript, for which the range analysis will infer a fully controlled, incorrect range in circumstances where users have explicitly disabled Spectre mitigations. *Note: Spectre mitigations are currently enabled for all users by default settings.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 24.04 LTS noble
Fixed 66.0+build3-0ubuntu1
23.10 mantic
Fixed 66.0+build3-0ubuntu1
23.04 lunar
Fixed 66.0+build3-0ubuntu1
22.10 kinetic
Fixed 66.0+build3-0ubuntu1
22.04 LTS jammy
Fixed 66.0+build3-0ubuntu1
21.10 impish
Fixed 66.0+build3-0ubuntu1
21.04 hirsute
Fixed 66.0+build3-0ubuntu1
20.10 groovy
Fixed 66.0+build3-0ubuntu1
20.04 LTS focal
Fixed 66.0+build3-0ubuntu1
19.10 eoan
Fixed 66.0+build3-0ubuntu1
19.04 disco
Fixed 66.0+build3-0ubuntu1
18.10 cosmic
Fixed 66.0+build3-0ubuntu0.18.10.1
18.04 LTS bionic
Fixed 66.0+build3-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 66.0+build3-0ubuntu0.16.04.2
14.04 LTS trusty
Fixed 66.0.1+build1-0ubuntu0.14.04.1
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
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 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
18.10 cosmic 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 60.6.1+build2-0ubuntu1
23.10 mantic
Fixed 60.6.1+build2-0ubuntu1
23.04 lunar
Fixed 60.6.1+build2-0ubuntu1
22.10 kinetic
Fixed 60.6.1+build2-0ubuntu1
22.04 LTS jammy
Fixed 60.6.1+build2-0ubuntu1
21.10 impish
Fixed 60.6.1+build2-0ubuntu1
21.04 hirsute
Fixed 60.6.1+build2-0ubuntu1
20.10 groovy
Fixed 60.6.1+build2-0ubuntu1
20.04 LTS focal
Fixed 60.6.1+build2-0ubuntu1
19.10 eoan
Fixed 60.6.1+build2-0ubuntu1
19.04 disco
Fixed 60.6.1+build2-0ubuntu1
18.10 cosmic
Fixed 1:60.6.1+build2-0ubuntu0.18.10.1
18.04 LTS bionic
Fixed 1:60.6.1+build2-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 1:60.6.1+build2-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:60.6.1+build2-0ubuntu0.14.04.1

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N