description: In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in an exploitable use-after-free condition. This vulnerability affects Firefox < 82.0.3, Firefox ESR < 78.4.1, and Thunderbird < 78.4.2.
problem types: Write side effects in MCallGetProperty opcode not accounted for
affected:
{
product: Firefox
vendor: Mozilla
versions:
status: affected, version: < 82.0.3
}
{
product: Firefox ESR
vendor: Mozilla
versions:
status: affected, version: < 78.4.1
}
{
product: Thunderbird
vendor: Mozilla
versions:
status: affected, version: < 78.4.2
}
