CVE-2011-3266

2.6 LOW 2% exploit odds No fix listed

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 2.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2011-08-24 00:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:32 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 2.3% in the next 30 days (EPSS).
Severity: 2.6 LOW (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2011-08-24 00:55 UTC
Last modified: 2026-06-16 23:32 UTC
Exploit probability: 2.3% · EPSS, next 30 days
Weakness: CWE-399
Record status: Modified

Affected

Wireshark 1.6.0
Wireshark 1.6.1
Wireshark 1.4.0
Wireshark 1.4.1
Wireshark 1.4.2
Wireshark 1.4.3
Wireshark 1.4.4
Wireshark 1.4.5

Attack profile CVSS 2.0 · 2.6

Attack vector: Network
Complexity: High
Authentication: None
Confidentiality: None
Integrity: None
Availability: Partial

Raw vector

AV:N/AC:H/Au:N/C:N/I:N/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2011-3266.md and follow it. Check whether this project is affected by CVE-2011-3266. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

References

NVD record · CVE.org record