Medium severity5.3NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026
CVE-2018-5138
CVE-2018-5138
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4<59+ 1 more
- (no CPE)range: <59
- (no CPE)range: unspecified
- osv-coords2 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 128.5.1-1.1+ 1 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 92.0-1.2
Patches
Vulnerability mechanics
References
4- www.securityfocus.com/bid/103386nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1040514nvdThird Party AdvisoryVDB Entry
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingVendor Advisory
- www.mozilla.org/security/advisories/mfsa2018-06/nvdVendor Advisory
News mentions
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