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2019-04-26
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.
Products | Firefox, Firefox_esr, Thunderbird |
Type | Incorrect Type Conversion or Cast (CWE-704) |
First patch | - None (likely due to unavailable code) |
Links |
• https://www.mozilla.org/security/advisories/mfsa2019-10/
• https://access.redhat.com/errata/RHSA-2019:0966 • https://www.mozilla.org/security/advisories/mfsa2019-09/ • https://www.mozilla.org/security/advisories/mfsa2019-12/ • https://access.redhat.com/errata/RHSA-2019:1144 |