description: Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
problem types: Use-after-free while running the nsDocShell destructor
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 68.7.0, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 74.0.1, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 68.6.1, status: affected, version: unspecified, versionType: custom
}
