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CVE-2021-29970

Publication date 14 July 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 24.04 LTS noble
Fixed 90.0+build1-0ubuntu1
23.10 mantic
Fixed 90.0+build1-0ubuntu1
23.04 lunar
Fixed 90.0+build1-0ubuntu1
22.10 kinetic
Fixed 90.0+build1-0ubuntu1
22.04 LTS jammy
Fixed 90.0+build1-0ubuntu1
21.10 impish
Fixed 90.0+build1-0ubuntu1
21.04 hirsute
Fixed 90.0+build1-0ubuntu0.21.04.1
20.10 groovy
Fixed 90.0+build1-0ubuntu0.20.10.1
20.04 LTS focal
Fixed 90.0+build1-0ubuntu0.20.04.1
18.04 LTS bionic
Fixed 90.0+build1-0ubuntu0.18.04.1
16.04 LTS xenial Ignored end of standard support, was needed
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
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
18.04 LTS bionic Ignored
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
mozjs68 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
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
mozjs78 24.04 LTS noble Not in release
23.10 mantic Not in release
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 Not in release
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 1:78.12.0+build2-0ubuntu1
23.10 mantic
Fixed 1:78.12.0+build2-0ubuntu1
23.04 lunar
Fixed 1:78.12.0+build2-0ubuntu1
22.10 kinetic
Fixed 1:78.12.0+build2-0ubuntu1
22.04 LTS jammy
Fixed 1:78.12.0+build2-0ubuntu1
21.10 impish
Fixed 1:78.12.0+build2-0ubuntu1
21.04 hirsute
Fixed 1:78.13.0+build1-0ubuntu0.21.04.2
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed 1:78.13.0+build1-0ubuntu0.20.04.2
18.04 LTS bionic
Fixed 1:78.13.0+build1-0ubuntu0.18.04.1
16.04 LTS xenial Ignored end of standard support, was needed
14.04 LTS trusty Not in release

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H