Debian/firefox-esr: critical 10
Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148
Action: Upgrade firefox-esr to 140.8.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.8.0esr-1 | - |
Fixed versions
| 140.8.0esr-1 |
Sources
- osv: DEBIAN-CVE-2026-2776#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-2776
published · modified · JSON