CVE-2025-0237

Public on 2025-01-07
Modified on 2025-01-10
Description
The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird ESR < 128.6.
Severity
Medium severity
Medium
CVSS v3 Base Score
6.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
HAQM Linux 2 - Firefox Extra firefox Not Affected
HAQM Linux 2 - Core thunderbird Not Affected

CVSS Scores

Score Type Score Vector
HAQM Linux CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD CVSSv3 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N