CVE-2016-3141: Apple Mac OS X

Critical severity, CVSS 9.8. EPSS: 36% chance of exploitation in the next 30 days.

Use-after-free vulnerability in wddx.c in the WDDX extension in PHP before 5.5.33 and 5.6.x before 5.6.19 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact by triggering a wddx_deserialize call on XML data containing a crafted var element.

Affected products

• Apple Mac OS X: up to and including 10.11.4
• PHP PHP: up to and including 5.5.32; version 5.6.0 only; version 5.6.1 only; version 5.6.2 only; version 5.6.3 only; version 5.6.4 only; …

Published 2016-03-31. Last modified 2026-06-17.