Debian/firefox-esr: high 8.8
Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15.
Action: Upgrade firefox-esr to 140.15.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.15.0esr-1 | - |
Fixed versions
| 140.15.0esr-1 |
Sources
- osv: DEBIAN-CVE-2026-16371#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-16371
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