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.
History

Fri, 02 May 2025 02:45:00 +0000

Type Values Removed Values Added
Title firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames
References
Metrics threat_severity

None

threat_severity

Important


Thu, 01 May 2025 14:30:00 +0000

Type Values Removed Values Added
Description A process isolation vulnerability in Firefox 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 ESR < 128.10. 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.

Wed, 30 Apr 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 30 Apr 2025 14:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-653
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Tue, 29 Apr 2025 13:30:00 +0000

Type Values Removed Values Added
Description A process isolation vulnerability in Firefox 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 ESR < 128.10.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published: 2025-04-29T13:13:36.578Z

Updated: 2025-05-01T14:22:01.318Z

Reserved: 2025-04-29T13:13:35.922Z

Link: CVE-2025-4083

cve-icon Vulnrichment

Updated: 2025-04-30T13:45:37.178Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-04-29T14:15:35.003

Modified: 2025-05-02T13:53:40.163

Link: CVE-2025-4083

cve-icon Redhat

Severity : Important

Publid Date: 2025-04-29T13:13:36Z

Links: CVE-2025-4083 - Bugzilla