CVE-2016-0742: Apple Xcode

High severity, CVSS 7.5. EPSS: 82.4% chance of exploitation in the next 30 days.

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (invalid pointer dereference and worker process crash) via a crafted UDP DNS response.

Affected products

• Apple Xcode: before 13.0 (fixed in 13.0)
• Canonical Ubuntu Linux: version 14.04 only; version 15.10 only
• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• F5 Nginx: from 0.6.18, before 1.8.1 (fixed in 1.8.1); from 1.9.0, before 1.9.10 (fixed in 1.9.10)
• Opensuse Leap: version 42.1 only
• Red Hat Software Collections: version 1.0 only

Published 2016-02-15. Last modified 2026-06-17.