Debian/firefox-esr: critical 10
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
Action: Upgrade firefox-esr to 91.5.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 91.5.0esr-1 | - |
Fixed versions
| 91.5.0esr-1 |
Sources
- osv: DEBIAN-CVE-2021-4140#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2021-4140
published · modified · JSON