description: <code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
problem types: Use-after-free in NSSToken objects
affected:
{
vendor: Mozilla
product: Thunderbird
versions:
version: unspecified, lessThan: 91.8, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Firefox
versions:
version: unspecified, lessThan: 99, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Firefox ESR
versions:
version: unspecified, lessThan: 91.8, status: affected, versionType: custom
}
