description: When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
problem types: Use-after-free when creating index updates in IndexedDB
affected:
{
product: Firefox
vendor: Mozilla
versions:
status: affected, version: before 70
}
{
product: Thunderbird
vendor: Mozilla
versions:
status: affected, version: before 68.2
}
{
product: Firefox ESR
vendor: Mozilla
versions:
status: affected, version: before 68.2
}
