Debian/firefox-esr: medium 6.5
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR <
Action: Upgrade firefox-esr to 91.4.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 91.4.0esr-1 | - |
Fixed versions
| 91.4.0esr-1 |
Sources
published · modified · JSON