PT-2022-2618 · Mozilla+10 · Thunderbird+12
Mateusz Sionkowski
·
Published
2022-05-03
·
Updated
2024-12-12
·
CVE-2022-29916
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 100
Firefox ESR versions prior to 91.9
Thunderbird versions prior to 91.9
Description
The issue is related to insufficient protection of internal data when handling CSS variables, which could allow a remote attacker to access protected information or have other impacts. This vulnerability can be used to probe the browser history by exploiting the different behavior of browsers when loading CSS resources involving CSS variables.
Recommendations
For Firefox versions prior to 100, update to version 100 or later.
For Firefox ESR versions prior to 91.9, update to version 91.9 or later.
For Thunderbird versions prior to 91.9, update to version 91.9 or later.
Exploit
Fix
Information Disclosure
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Firefox Esr
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Ubuntu