description: When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
problem types: Cross-Origin responses could be distinguished between script and non-script content-types
affected:
{
vendor: Mozilla
product: Firefox
versions:
version: unspecified, lessThan: 97, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Thunderbird
versions:
version: unspecified, lessThan: 91.6, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Firefox ESR
versions:
version: unspecified, lessThan: 91.6, status: affected, versionType: custom
}
