Medium severity5.3NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026
CVE-2018-5121
CVE-2018-5121
Description
Low descenders on some Tibetan characters in several fonts on OS X are clipped when rendered in the addressbar. When used as part of an Internationalized Domain Name (IDN) this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 58.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4<58+ 1 more
- (no CPE)range: <58
- (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/102786nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1040270nvdThird Party AdvisoryVDB Entry
- www.mozilla.org/security/advisories/mfsa2018-02/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required
News mentions
0No linked articles in our index yet.