CVE-2019-8731: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A permissions issue existed in which execute permission was incorrectly granted. This issue was addressed with improved permission validation. This issue is fixed in iOS 13. Processing a maliciously crafted file may disclose user information.

Affected products

  • Apple iPhone OS: before 13.0 (fixed in 13.0)

Published 2019-12-18. Last modified 2026-06-17.