Debian/thunderbird: 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 thunderbird to 1:91.4.0-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:91.4.0-1 | - |
Fixed versions
| 1:91.4.0-1 |
Sources
- osv: DEBIAN-CVE-2021-43542#Debian:14/thunderbird
- https://security-tracker.debian.org/tracker/CVE-2021-43542
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