What’s Vulnerable › Vulnerabilities

CVE-2025-10535: Information disclosure, mitigation bypass in the Privacy component in Firefox for Android

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-16 · updated 2026-10-05
• Weakness: CWE-200

Description

Information disclosure, mitigation bypass in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 143.

Affected products

• Mozilla Firefox: before 143.0 — fixed in 143.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 143.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1979918
• https://www.mozilla.org/security/advisories/mfsa2025-73/

Get alerted when CVE-2025-10535 or the next vulnerability affects your stack