9.1 CVE-2025-4083
A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Firefox ESR < 115.23, Thunderbird < 138, and Thunderbird < 128.10.
https://nvd.nist.gov/vuln/detail/CVE-2025-4083
Categories
CWE-653 : Improper Isolation or Compartmentalization
When a weakness occurs in functionality that is accessible by lower-privileged users, then without strong boundaries, an attack might extend the scope of the damage to higher-privileged users.
References
security@mozilla.org
| https://bugzilla.mozilla.org/show_bug.cgi?id=1958350 Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-28/ Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-29/ Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-30/ Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-31/ Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-32/ Vendor Advisory |
CPE
| cpe | start | end |
|---|---|---|
| Configuration 1 | ||
| cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* | < 115.23 | |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* | < 138.0 | |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* | >= 128.0 | < 128.10 |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* | < 128.10.0 | |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* | < 138.0 | |
REMEDIATION
EXPLOITS
Exploit-db.com
| id | description | date | |
|---|---|---|---|
| No known exploits | |||
POC Github
| Url |
|---|
| No known exploits |
Other Nist (github, ...)
| Url |
|---|
| No known exploits |
CAPEC
Common Attack Pattern Enumerations and Classifications
| id | description | severity |
|---|---|---|
| No entry | ||
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