A spoofing vulnerability can occur when a malicious site with an extremely long domain name is opened in an Android Custom Tab (a browser panel inside another app) and the default browser is Firefox for Android
Published Jun 11, 2018
5.3
MEDIUMCVSS 3.0
EPSS 1.11%
Description
A spoofing vulnerability can occur when a malicious site with an extremely long domain name is opened in an Android Custom Tab (a browser panel inside another app) and the default browser is Firefox for Android. This could allow an attacker to spoof which page is actually loaded and in use. Note: this issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 59.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<59
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.11% (0.01110) | 64.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.11% (0.01110) | 61.54th | v5 (v2026.06.15) |
| Mar 29, 2025 | 1.68% (0.01675) | 70.69th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.22% (0.00219) | 60.35th | v3 (v2023.03.01) |
| Nov 2, 2023 | 0.22% (0.00219) | 59.74th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.28% (0.00278) | 64.30th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00308) | 65.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.46% (0.00457) | 10.89th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.46% (0.00457) | 0.00th | v1 |
References (4)
- http://www.securityfocus.com/bid/103386 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040514 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1432624 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-06/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103386 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040514 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1432624 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2018-06/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.