The Cascading Style Sheets (CSS) implementation in Apple iOS before 9.2.1 and Safari before 9.0.3 mishandles the "a:visited button" selector during height processing, which makes it easier for remote attackers to obtain sensitive browser-history information via a crafted web site.
Severity
CVSS 3.0
4.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
1.7% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)