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CVE-2023-25746

Published: 15 February 2023

Memory safety bugs present in Firefox ESR 102.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 102.8 and Firefox ESR < 102.8.

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

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic Ignored
(end of standard support, was needs-triage)
focal Not vulnerable

jammy Not vulnerable
(code not present)
kinetic Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
thunderbird
Launchpad, Ubuntu, Debian
bionic
Released (1:102.8.0+build2-0ubuntu0.18.04.1)
focal
Released (1:102.8.0+build2-0ubuntu0.20.04.1)
jammy
Released (1:102.8.0+build2-0ubuntu0.22.04.1)
kinetic
Released (1:102.8.0+build2-0ubuntu0.22.10.1)
lunar Not vulnerable

trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)

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