CVE-2022-34480

Publication date 5 July 2022

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Description

Within the <code>lg_init()</code> function, if several allocations succeed but then one fails, an uninitialized pointer would have been freed despite never being allocated. This vulnerability affects Firefox < 102.

Read the notes from the security team

Status

Package Ubuntu Release Status
thunderbird 23.04 lunar
Not affected
22.10 kinetic Ignored end of life, was needs-triage
22.04 LTS jammy
Fixed 1:102.2.2+build1-0ubuntu0.22.04.1
21.10 impish Ignored end of life
20.04 LTS focal
Fixed 1:102.2.2+build1-0ubuntu0.20.04.1
18.04 LTS bionic Ignored end of standard support, was needs-triage
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Not in release
firefox 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish
Fixed 102.0+build2-0ubuntu0.21.10.1
20.04 LTS focal
Fixed 102.0+build2-0ubuntu0.20.04.1
18.04 LTS bionic
Fixed 102.0+build2-0ubuntu0.18.04.1
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
nss 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Fixed 2:3.68.2-0ubuntu1.1
21.10 impish
Fixed 2:3.68-1ubuntu1.2
20.04 LTS focal
Fixed 2:3.49.1-1ubuntu1.8
18.04 LTS bionic
Fixed 2:3.35-2ubuntu2.15
16.04 LTS xenial
Fixed 2:3.28.4-0ubuntu0.16.04.14+esm3
14.04 LTS trusty
Fixed 2:3.28.4-0ubuntu0.14.04.5+esm11

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Notes

mdeslaur

starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
nss

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

References

Related Ubuntu Security Notices (USN)

Other references