CVE-2015-5921: Apple iPhone OS

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

WebKit in Apple iOS before 9 mishandles "Content-Disposition: attachment" HTTP headers, which might allow man-in-the-middle attackers to obtain sensitive information via unspecified vectors.

Affected products

• Apple iPhone OS: up to and including 8.4.1

Published 2015-09-18. Last modified 2026-06-17.