description: When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
problem types: Attacker-influenced path traversal when saving downloaded files
affected:
{
vendor: Mozilla
product: Thunderbird
versions:
version: unspecified, lessThan: 91.10, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Firefox
versions:
version: unspecified, lessThan: 101, status: affected, versionType: custom
}
{
vendor: Mozilla
product: Firefox ESR
versions:
version: unspecified, lessThan: 91.10, status: affected, versionType: custom
}
