NetSight
medium5.3

CVE-2018-5121

Low descenders on some Tibetan characters in several fonts on OS X are clipped when rendered in the addressbar.

Impact

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.

Affected products

VendorProductAffected versions
MozillaFirefox
through 57.0.4

Weakness classification

References