PT-2025-30480 · Mozilla+9 · Thunderbird+11
Tom Schuster
·
Published
2025-07-22
·
Updated
2026-02-02
·
CVE-2025-8031
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 141
Firefox ESR versions prior to 128.13
Firefox ESR versions prior to 140.1
Thunderbird versions prior to 141
Thunderbird versions prior to 128.13
Thunderbird versions prior to 140.1
Description
The
username:password component was not properly removed from URLs within Content Security Policy (CSP) reports, potentially exposing HTTP Basic Authentication credentials.Recommendations
Update Firefox to version 141 or later.
Update Firefox ESR to version 128.13 or later.
Update Firefox ESR to version 140.1 or later.
Update Thunderbird to version 141 or later.
Update Thunderbird to version 128.13 or later.
Update Thunderbird to version 140.1 or later.
Fix
Incorrect Default Permissions
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Centos
Debian
Firefox
Firefox Esr
Linuxmint
Red Hat
Rocky Linux
Suse
Thunderbird
Ubuntu