CVE-2016-4656: Apple iOS Memory Corruption Vulnerability

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.

VendorApple
ProductiOS
Date added to KEV2022-05-24
Due date (BOD 22-01)2022-06-14
Known ransomware campaign useUnknown
CWECWE-264
Required actionApply updates per vendor instructions.

What to do

  1. Identify every instance of Apple iOS in your environment (asset inventory, EDR, vulnerability scanner).
  2. Apply CISA's required action: Apply updates per vendor instructions.
  3. Federal civilian agencies must act by 2022-06-14 under BOD 22-01; other organizations can use the same date as a target.
  4. Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.

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Sources

Generated from the CISA feed with AI assistance; facts are taken verbatim from the feed. Not affiliated with or endorsed by CISA. Facts come from the CISA Known Exploited Vulnerabilities catalog (public domain).