DEBIAN-CVE-2019-9813

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...

The vulnerability of the __proto__ mutation function in the JIT-compiler of the Firefox ESR browser allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the proto mutation function in the JIT-compiler of the Firefox ESR browser is related to type confusion errors. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...