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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
firefox
Launchpad, Ubuntu, Debian
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)
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
trusty Does not exist

upstream
Released (102)
xenial Needs triage

nss
Launchpad, Ubuntu, Debian
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)
kinetic Not vulnerable
(2:3.79-1)
lunar Not vulnerable
(2:3.79-1)
trusty
Released (2:3.28.4-0ubuntu0.14.04.5+esm11)
upstream Needs triage

xenial
Released (2:3.28.4-0ubuntu0.16.04.14+esm3)
Patches:
upstream: https://hg.mozilla.org/projects/nss/rev/927d47dcc509bd4f561c5a6e6e7b050b63f03009
thunderbird
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

impish Ignored
(reached end-of-life)
jammy Needs triage

kinetic Needs triage

lunar Needs triage

trusty Does not exist

upstream Needs triage

xenial Needs triage

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