PT-2025-18152 · Mozilla+11 · Thunderbird+12
Nika Layzell
·
Published
2025-04-29
·
Updated
2025-07-22
·
CVE-2025-4083
CVSS v2.0
9.4
Critical
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 138
Firefox ESR versions prior to 128.10
Firefox ESR versions prior to 115.23
Thunderbird versions prior to 138
Thunderbird ESR versions prior to 128.10
Description
A process isolation issue stems from improper handling of
javascript: URIs, potentially allowing content to execute in the top-level document's process instead of the intended frame. This could enable a sandbox escape.Recommendations
For Firefox versions prior to 138, update to version 138 or later.
For Firefox ESR versions prior to 128.10, update to version 128.10 or later.
For Firefox ESR versions prior to 115.23, update to version 115.23 or later.
For Thunderbird versions prior to 138, update to version 138 or later.
For Thunderbird ESR versions prior to 128.10, update to version 128.10 or later.
Fix
Found an issue in the description? Have something to add? Feel free to write us 👾
Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Debian
Firefox
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Thunderbird
Ubuntu