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CVE-2023-32214

Published: 19 June 2023

Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. *Note: This attack only affects Windows. Other operating systems are not affected.* This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur
starting with Ubuntu 22.04, the firefox package is just a script
that installs the Firefox snap
windows-specific

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
bionic Ignored
(end of standard support, was needs-triage)
focal Not vulnerable

trusty Ignored
(end of standard support)
upstream Not vulnerable
(debian: Only affects Firefox on Windows)
xenial Ignored
(end of standard support)
thunderbird
Launchpad, Ubuntu, Debian
focal Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

trusty Ignored
(end of standard support)
upstream Needs triage

bionic Ignored
(end of standard support, was needed)
xenial Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H