CVE-2025-0240

MediumCVSS 4.0/10Last modified Oct 5, 2026

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 was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.

Metrics

CVSS 3.1 4.0/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published: Jan 7, 2025
Last modified: Oct 5, 2026
NVD status: Modified

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