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
See what this means
CVSS v3 Base Score
4.0
See breakdown

Affected Packages

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

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2025-0240 Mitre: CVE-2025-0240