Debian/firefox-esr: medium 4.3
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This
Action: Upgrade firefox-esr to 91.3.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 91.3.0esr-1 | - |
Fixed versions
| 91.3.0esr-1 |
Sources
- osv: DEBIAN-CVE-2021-38506#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2021-38506
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