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CVE-2011-3266

2.6 · LOW

The proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when the IKEv1 protocol dissector is used, allows user-assisted remote attackers to cause a denial of serv…

Published Aug 24, 2011wiresharkCWE-399EPSS 2.32%

Overview

CVE-2011-3266 is a low-severity vulnerability affecting wireshark wireshark. It was published on August 24, 2011 and has a CVSS 2.0 base score of 2.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when the IKEv1 protocol dissector is used, allows user-assisted remote attackers to cause a denial of service (infinite loop) via vectors involving a malformed IKE packet and many items in a tree.

Remediation

Check the references section for vendor advisories and patches from wireshark. Update wireshark to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

Frequently asked questions

What is CVE-2011-3266?

CVE-2011-3266 is a low-severity vulnerability affecting wireshark wireshark. It was published on August 24, 2011 and has a CVSS 2.0 base score of 2.6 (LOW).

How severe is CVE-2011-3266?

This vulnerability has a CVSS 2.0 base score of 2.6, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-3266?

Check the references section for vendor advisories and patches from wireshark. Update wireshark to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-3266?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3266 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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