description: During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
problem types: Use-after-free in MessageTask
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 78.15, status: affected, version: unspecified, versionType: custom
lessThan: 91.2, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 91.2, status: affected, version: unspecified, versionType: custom
lessThan: 78.15, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 93, status: affected, version: unspecified, versionType: custom
}
