Debian/firefox-esr: medium 4.3
An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode,
Action: Upgrade firefox-esr to 128.12.0esr-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 128.12.0esr-1 | - |
Fixed versions
| 128.12.0esr-1 |
Sources
- osv: DEBIAN-CVE-2025-6425#Debian:13/firefox-esr
- https://security-tracker.debian.org/tracker/CVE-2025-6425
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