description: When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
problem types: Use-after-free in SharedWorkerService
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 68.9.0, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 77, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 68.9, status: affected, version: unspecified, versionType: custom
}
