PT-2025-3804 · Mozilla+9 · Thunderbird+10
Andrew Mccreight
·
Published
2025-01-07
·
Updated
2026-02-02
·
CVE-2025-0237
CVSS v2.0
7.1
High
| Vector | AV:N/AC:H/Au:N/C:C/I:C/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 134
Firefox ESR versions prior to 128.6
Thunderbird versions prior to 134
Thunderbird versions prior to 128.6
Description
The WebChannel API, used for transporting information across processes, did not properly check the sending principal, instead accepting the sent principal. This could have led to privilege escalation attacks.
Recommendations
For Firefox versions prior to 134, update to version 134 or later.
For Firefox ESR versions prior to 128.6, update to version 128.6 or later.
For Thunderbird versions prior to 134, update to version 134 or later.
For Thunderbird versions prior to 128.6, update to version 128.6 or later.
Fix
Incorrect Authorization
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Firefox
Linuxmint
Red Hat
Rocky Linux
Suse
Thunderbird
Ubuntu