CVE-2015-5522: Apple iPhone OS

Medium severity, CVSS 6.8. EPSS: 4.7% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the ParseValue function in lexer.c in tidy before 4.9.31 allows remote attackers to cause a denial of service (crash) via vectors involving a command character in an href.

Affected products

• Apple iPhone OS: up to and including 8.2
• Apple Mac OS X: up to and including 10.6.8
• Apple watchOS: up to and including 1.0.1
• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.04 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Htacg Tidy: up to and including 4.9.30

Published 2015-08-11. Last modified 2026-06-17.