description: Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.
problem types: IonMonkey type confusion with StoreElementHole and FallibleStoreElement
affected:
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 68.4.1, status: affected, version: unspecified, versionType: custom
}
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 68.4.1, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 72.0.1, status: affected, version: unspecified, versionType: custom
}
