Debian/firefox-esr: high 8.1
Mitigation bypass in the Data Loss Prevention component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
Action: Upgrade firefox-esr to 140.14.0esr-2 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 140.14.0esr-2 | - |
Fixed versions
| 140.14.0esr-2 |
Sources
- osv: DEBIAN-CVE-2026-74983#Debian:14/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2026-74983
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