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CVE-2025-0240
Published: Jan 7, 2025
Modified: Apr 13, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Mozilla | Firefox | unaffected 128.6 - <= 128.*unaffected 134 - <= * |
Mozilla | Thunderbird | unaffected 128.6 - <= 128.*unaffected 134 - <= * |
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