CVE-2025-0246: Vulnerability in Mozilla Firefox
When using an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* *Note: This issue is a different issue from CVE-2025-0244. This vulnerability was fixed in Firefox 134.
AI Analysis
Technical Summary
CVE-2025-0246 is an address bar spoofing vulnerability in Mozilla Firefox for Android caused by improper handling of invalid protocol schemes. An attacker could exploit this flaw to make the address bar display a spoofed URL, potentially misleading users about the actual site they are visiting. This vulnerability is distinct from CVE-2025-0244 and affects only the Android version of Firefox. Mozilla fixed this issue in Firefox 134, as documented in their security advisory MFSA 2025-01.
Potential Impact
The vulnerability allows an attacker to spoof the address bar in Firefox for Android, which could lead to user deception and potential phishing attacks. The impact is limited to confidentiality and integrity (C:L/I:L) with no availability impact. Other operating systems are unaffected. There are no known exploits in the wild at this time.
Mitigation Recommendations
This vulnerability has been fixed in Mozilla Firefox version 134. Users and administrators should update Firefox on Android devices to version 134 or later to remediate this issue. No additional mitigation steps are required according to the Mozilla advisory.
CVE-2025-0246: Vulnerability in Mozilla Firefox
Description
When using an invalid protocol scheme, an attacker could spoof the address bar. *Note: This issue only affected Android operating systems. Other operating systems are unaffected.* *Note: This issue is a different issue from CVE-2025-0244. This vulnerability was fixed in Firefox 134.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-0246 is an address bar spoofing vulnerability in Mozilla Firefox for Android caused by improper handling of invalid protocol schemes. An attacker could exploit this flaw to make the address bar display a spoofed URL, potentially misleading users about the actual site they are visiting. This vulnerability is distinct from CVE-2025-0244 and affects only the Android version of Firefox. Mozilla fixed this issue in Firefox 134, as documented in their security advisory MFSA 2025-01.
Potential Impact
The vulnerability allows an attacker to spoof the address bar in Firefox for Android, which could lead to user deception and potential phishing attacks. The impact is limited to confidentiality and integrity (C:L/I:L) with no availability impact. Other operating systems are unaffected. There are no known exploits in the wild at this time.
Mitigation Recommendations
This vulnerability has been fixed in Mozilla Firefox version 134. Users and administrators should update Firefox on Android devices to version 134 or later to remediate this issue. No additional mitigation steps are required according to the Mozilla advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2025-01-06T14:49:17.440Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2025-01/","vendor":"Mozilla"}]
Threat ID: 69dd057382d89c981f016f86
Added to database: 4/13/2026, 3:02:11 PM
Last enriched: 4/13/2026, 3:19:42 PM
Last updated: 4/14/2026, 6:08:09 AM
Views: 3
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