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CVE-2022-34476

Published: 5 July 2022

ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1. 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

9.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
trusty Does not exist

jammy Not vulnerable
(code not present)
upstream
Released (102)
xenial Does not exist

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)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H