description: Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
problem types: Single bit data leak due to incorrect JIT optimization and type confusion
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 91, status: affected, version: unspecified, versionType: custom
}
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 91, status: affected, version: unspecified, versionType: custom
}
