description: dDecrypted S/MIME parts hidden with CSS or the plaintext HTML tag can leak plaintext when included in a HTML reply/forward. This vulnerability affects Thunderbird < 52.9.
problem types: S/MIME plaintext can be leaked through HTML reply/forward
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 52.9, status: affected, version: unspecified, versionType: custom
}