description: An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
problem types: Heap buffer overflow when using structured clone
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 91.4.0, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 91.4.0, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 95, status: affected, version: unspecified, versionType: custom
}
