description: If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
problem types: Cross-origin information leakage via redirected PDF requests
affected:
{
product: Firefox
vendor: Mozilla
versions:
status: affected, version: < 85
}
{
product: Thunderbird
vendor: Mozilla
versions:
status: affected, version: < 78.7
}
{
product: Firefox ESR
vendor: Mozilla
versions:
status: affected, version: < 78.7
}
