What’s Vulnerable › Vulnerabilities

CVE-2011-3432

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-10-14 · updated 2026-06-16
• Weakness: CWE-399

Description

The UIKit Alerts component in Apple iOS before 5 allows remote attackers to cause a denial of service (device hang) via a long tel: URL that triggers a large size for the acceptance dialog.

Affected products

• Apple Iphone Os: 3.0, 3.1, 3.1.2, 3.1.3, 3.2, 3.2.1 (+13)

References

• http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
• http://osvdb.org/76335
• http://support.apple.com/kb/HT4999
• https://exchange.xforce.ibmcloud.com/vulnerabilities/70561
• http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
• http://osvdb.org/76335
• http://support.apple.com/kb/HT4999
• https://exchange.xforce.ibmcloud.com/vulnerabilities/70561

Get alerted when CVE-2011-3432 or the next vulnerability affects your stack