CVE-2019-9813 | Mozilla Firefox/Firefox ESR/Thunderbird IonMonkey JIT Compiler Proto Mutation type conversion (RHSA-2019:0966 / EDB-46646)
A vulnerability, which was classified as critical, was found in Mozilla Firefox, Firefox ESR and Thunderbird. This affects an unknown part of the component IonMonkey JIT Compiler. The manipulation as part of Proto Mutation leads to incorrect type conversion.
This vulnerability is uniquely identified as CVE-2019-9813. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
It is recommended to upgrade the affected component.