What’s Vulnerable › Vulnerabilities

CVE-2011-3441

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-11-11 · updated 2026-06-16
• Weakness: CWE-200

Description

libinfo in Apple iOS before 5.0.1 does not properly formulate domain-name queries, which allows remote attackers to obtain sensitive information via a crafted DNS hostname.

Affected products

• Apple Iphone Os: through 5.0; 1.0, 1.0.0, 1.0.1, 1.0.2, 1.1, 1.1.0 (+37)

References

• http://lists.apple.com/archives/Security-announce/2011/Nov/msg00001.html
• http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
• http://support.apple.com/kb/HT5052
• http://support.apple.com/kb/HT5130
• http://lists.apple.com/archives/Security-announce/2011/Nov/msg00001.html
• http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
• http://support.apple.com/kb/HT5052
• http://support.apple.com/kb/HT5130

Get alerted when CVE-2011-3441 or the next vulnerability affects your stack