CVE-2011-3441

CVE-2011-3441 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

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.

Frequently asked questions

What is 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.
How severe is CVE-2011-3441?
CVE-2011-3441 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-3441 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3441?
CVE-2011-3441 primarily affects Apple Iphone Os. In total, 93 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3441?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3441 published?
CVE-2011-3441 was published on 2011-11-11 and last updated on 2026-06-16.

References

Affected products (93)

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