CVE-2011-3441

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.

Published: Nov 11, 2011
Updated: Nov 9, 2025
CVE: CVE-2011-3441
Severity: Low
Exploit:

CVSS v2:

Severity: Low
Score: 4.3
AV:N/AC:M/Au:N/C:P/I:N/A:N

CWEs:

CWE-200

Affected Software
References

Software	From	Fixed in
apple / iphone_os	2.0.2	2.0.2.x
apple / iphone_os	3.0	3.0.x
apple / iphone_os	4.0	4.0.x
apple / iphone_os	3.2	3.2.x
apple / iphone_os	3.1.3	3.1.3.x
apple / iphone_os	1.0.2	1.0.2.x
apple / iphone_os	1.0	1.0.x
apple / iphone_os	1.1.2	1.1.2.x
apple / iphone_os	4.3.2	4.3.2.x
apple / iphone_os	4.0.2	4.0.2.x
apple / iphone_os	2.2	2.2.x
apple / iphone_os	4.0.1	4.0.1.x
apple / iphone_os	1.1.4	1.1.4.x
apple / iphone_os	1.1.1	1.1.1.x
apple / iphone_os	3.0.1	3.0.1.x
apple / iphone_os	1.0.1	1.0.1.x
apple / iphone_os	4.2.9	4.2.9.x
apple / iphone_os	5.0	5.0.x
apple / iphone_os	4.2.8	4.2.8.x
apple / iphone_os	4.1	4.1.x
apple / iphone_os	2.0.0	2.0.0.x
apple / iphone_os	3.1.2	3.1.2.x
apple / iphone_os	4.3.4	4.3.4.x
apple / iphone_os	1.1.3	1.1.3.x
apple / iphone_os	4.3.5	4.3.5.x
apple / iphone_os	2.1	2.1.x
apple / iphone_os	4.3.1	4.3.1.x
apple / iphone_os	4.2.5	4.2.5.x
apple / iphone_os	4.2	4.2.x
apple / iphone_os	3.2.1	3.2.1.x
apple / iphone_os	3.1	3.1.x
apple / iphone_os	3.2.2	3.2.2.x
apple / iphone_os	2.0.1	2.0.1.x
apple / iphone_os	1.1.5	1.1.5.x
apple / iphone_os	1.1	1.1.x
apple / iphone_os	1.1.0	1.1.0.x
apple / iphone_os	-	5.0.x
apple / iphone_os	2.2.1	2.2.1.x
apple / iphone_os	4.2.1	4.2.1.x
apple / iphone_os	4.3.3	4.3.3.x
apple / iphone_os	2.1.1	2.1.1.x
apple / iphone_os	1.0.0	1.0.0.x
apple / iphone_os	2.0	2.0.x
apple / iphone_os	4.3.0	4.3.0.x

Vulnerability Database

314,372

CVE-2011-3441

Deep Security Visibility Without the Complexity