[ CVE-2016-4656 · Published 25 Aug 2016 ]

Apple iOS Memory Corruption Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 24%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-24
  • EPSS: 24% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

The kernel in Apple iOS before 9.3.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

CISA: A memory corruption vulnerability in Apple iOS kernel allows attackers to execute code in a privileged context or cause a denial-of-service (DoS) via a crafted application.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 14 Jun 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References