CVE-2019-8771: Apple iPhone OS

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 13.0.1, iOS 13. Maliciously crafted web content may violate iframe sandboxing policy.

Affected products

  • Apple iPhone OS: before 13.0. (fixed in 13.0.)
  • Apple Safari: before 13.0.1 (fixed in 13.0.1)

Published 2020-10-27. Last modified 2026-06-17.