CVE-2011-3259

Name: CVE-2011-3259
Creator: NVD / NIST
Published: 2011-10-14T10:55:10.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.44%

Last modified Jun 16, 2026

CVE-2011-3259 is a vulnerability of currently unknown severity. The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which allows remote attackers to cause a denial of service (resource consumption) by making many connection attempts.. EPSS estimates a 2.44% chance of exploitation in the next 30 days.

Description

The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which allows remote attackers to cause a denial of service (resource consumption) by making many connection attempts.

Metrics

EPSS Probability

2.44%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Apple	Apple Tv	4.0
Apple	Apple Tv	4.1
Apple	Apple Tv	4.2
Apple	Apple Tv	4.3
Apple	Iphone Os	3.0
Apple	Iphone Os	3.1
Apple	Iphone Os	3.1.2
Apple	Iphone Os	3.1.3
Apple	Iphone Os	3.2
Apple	Iphone Os	3.2.1
Apple	Iphone Os	3.2.2
Apple	Iphone Os	4.0
Apple	Iphone Os	4.0.1
Apple	Iphone Os	4.0.2
Apple	Iphone Os	4.1
Apple	Iphone Os	4.2.1
Apple	Iphone Os	4.2.5
Apple	Iphone Os	4.2.8
Apple	Iphone Os	4.3.0
Apple	Iphone Os	4.3.1
Apple	Iphone Os	4.3.2
Apple	Iphone Os	4.3.3
Apple	Iphone Os	4.3.5

References

http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlVendor Advisory
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00002.htmlVendor Advisory
http://support.apple.com/kb/HT4999Vendor Advisory
http://support.apple.com/kb/HT5001Vendor Advisory
http://www.securityfocus.com/bid/50087
https://exchange.xforce.ibmcloud.com/vulnerabilities/70530
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.htmlVendor Advisory
http://lists.apple.com/archives/Security-announce/2011//Oct/msg00002.htmlVendor Advisory
http://support.apple.com/kb/HT4999Vendor Advisory
http://support.apple.com/kb/HT5001Vendor Advisory
http://www.securityfocus.com/bid/50087
https://exchange.xforce.ibmcloud.com/vulnerabilities/70530

Timeline

Published: Oct 14, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-3259?

How severe is CVE-2011-3259?

Severity scoring for CVE-2011-3259 is pending analysis. The EPSS model estimates a 2.44% probability of exploitation in the next 30 days.

How do I fix CVE-2011-3259?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3259?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST