An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. macOS before 10.12.6 is affected. tvOS before 10.2.2 is affected. watchOS before 3.2.3 is affected. The issue involves the "libarchive" component. It allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow and application crash) via a crafted archive file.
Apple Security Advisory 2017-07-19-3 - watchOS 3.2.2 is now available and addresses buffer overflow, memory corruption, and various other vulnerabilities.