Incorrect handling of __proto__ mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.
Metrics
Affected Vendors & Products
References
History
Tue, 25 Nov 2025 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | ||
| Vendors & Products |
Mozilla firefox Esr
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Status: PUBLISHED
Assigner: mozilla
Published: 2019-04-26T16:09:57
Updated: 2024-08-04T22:01:54.683Z
Reserved: 2019-03-14T00:00:00
Link: CVE-2019-9813
No data.
Status : Modified
Published: 2019-04-26T17:29:04.163
Modified: 2025-11-25T17:50:16.803
Link: CVE-2019-9813