CVE-2025-0240

Public on 2025-01-07
Modified on 2025-01-10
Description
Parsing a JavaScript module as JSON could, under some circumstances, cause cross-compartment access, which may result in a use-after-free. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird ESR < 128.6.
Severity
Medium severity
Medium
CVSS v3 Base Score
4.0
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 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD CVSSv3 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N