What’s Vulnerable › Vulnerabilities

CVE-2016-4655: Apple iOS Information Disclosure Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-05-24
• EPSS: 33.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-08-25 · updated 2026-06-17

Description

The kernel in Apple iOS before 9.3.5 allows attackers to obtain sensitive information from memory via a crafted app.

Affected products

• Apple Iphone Os: before 9.3.5; 10.0 — fixed in 9.3.5

How to fix

Upgrade to a fixed version: Apple Iphone Os 9.3.5. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html
• http://lists.apple.com/archives/security-announce/2016/Sep/msg00005.html
• http://www.securityfocus.com/bid/92651
• http://www.securityfocus.com/bid/92965
• http://www.securitytracker.com/id/1036694
• https://blog.lookout.com/blog/2016/08/25/trident-pegasus/
• https://support.apple.com/HT207107
• https://support.apple.com/HT207145
• https://www.exploit-db.com/exploits/44836/
• http://lists.apple.com/archives/security-announce/2016/Aug/msg00000.html
• http://lists.apple.com/archives/security-announce/2016/Sep/msg00005.html
• http://www.securityfocus.com/bid/92651

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