Description
Information disclosure, mitigation bypass in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 143.
Affected products
mozilla: firefox
References2
- www.mozilla.org/security/advisories/mfsa2025-73/ Vendor Advisory
- bugzilla.mozilla.org/show_bug.cgi?id=1979918 Broken Link
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - EPSS — exploit probability
- 0% percentile: 24 · as of 8 November 2026
- CWE
- CWE-200
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.