CVE-2015-8035: Apple iPhone OS

Low severity, CVSS 2.6. EPSS: 3.3% chance of exploitation in the next 30 days.

The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.

Affected products

• Apple iPhone OS: up to and including 9.2.1
• Apple Mac OS X: up to and including 10.11.3
• Apple tvOS: up to and including 9.1
• Apple watchOS: up to and including 2.1
• Canonical Ubuntu Linux: version 14.04 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Xmlsoft LIBXML2: version 2.9.1 only

Published 2015-11-18. Last modified 2026-06-17.