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CVE-2022-34480

Published: 5 July 2022

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.

Notes

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

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
thunderbird
Launchpad, Ubuntu, Debian
kinetic Ignored
(end of life, was needs-triage)
lunar Not vulnerable
(1:102.10.0+build2-0ubuntu1)
impish Ignored
(end of life)
trusty Does not exist

upstream Needs triage

focal
Released (1:102.2.2+build1-0ubuntu0.20.04.1)
jammy
Released (1:102.2.2+build1-0ubuntu0.22.04.1)
xenial Ignored
(end of standard support)
bionic Ignored
(end of standard support, was needs-triage)
firefox
Launchpad, Ubuntu, Debian
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Does not exist

upstream
Released (102)
bionic
Released (102.0+build2-0ubuntu0.18.04.1)
focal
Released (102.0+build2-0ubuntu0.20.04.1)
impish
Released (102.0+build2-0ubuntu0.21.10.1)
xenial Does not exist

nss
Launchpad, Ubuntu, Debian
kinetic Not vulnerable
(2:3.79-1)
lunar Not vulnerable
(2:3.79-1)
upstream Needs triage

xenial
Released (2:3.28.4-0ubuntu0.16.04.14+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (2:3.35-2ubuntu2.15)
focal
Released (2:3.49.1-1ubuntu1.8)
impish
Released (2:3.68-1ubuntu1.2)
jammy
Released (2:3.68.2-0ubuntu1.1)
trusty
Released (2:3.28.4-0ubuntu0.14.04.5+esm11)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
upstream: https://hg.mozilla.org/projects/nss/rev/927d47dcc509bd4f561c5a6e6e7b050b63f03009

Severity score breakdown

Parameter Value
Base score 8.8
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