description: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
problem types: External protocol handler parameters were unescaped
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 91.4.0, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 91.4.0, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 95, status: affected, version: unspecified, versionType: custom
}
