CVE-2018-5121

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

published June 11, 2018

CVSS
—
EPSS
1%
Percentile
72.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01441 · 72.8th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    Low descenders on some Tibetan characters in several fonts on OS X are clipped when rendered in the addressbar
    cvelistv5