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CVE-2011-3266

The proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when...

2.6 LowFix available

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.

Exploit likelihood

2.32%Up 0.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.6

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.

Record
CVE-2011-3266
CVSS 2.0
2.6 LowAV:N/AC:H/Au:N/C:N/I:N/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-3266
Updated
2026-11-02
EUVDEUVD-2011-3230 No score

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.

Record
EUVD-2011-3230
Updated
2026-11-03
GitHub AdvisoriesGHSA-h4pp-978c-885j No score

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 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.

Record
GHSA-h4pp-978c-885j
Updated
2026-11-02
OSV No score

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.

Record
CVE-2011-3266
Updated
2026-11-02
OSVDEBIAN-CVE-2011-3266 No score

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.

Record
DEBIAN-CVE-2011-3266
Updated
2026-11-02
OSVopenSUSE-SU-2024:10199-1 No score

wireshark-2.2.2-1.1 on GA media

These are all security issues fixed in the wireshark-2.2.2-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10199-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wireshark
Debian:12
 before 1.6.2-1
1.6.2-1
wireshark
Debian:13
 before 1.6.2-1
1.6.2-1
wireshark
Debian:14
 before 1.6.2-1
1.6.2-1
wireshark
openSUSE:Tumbleweed
From an advisory covering 262 CVEs
 before 2.2.2-1.1
2.2.2-1.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-3266 is a low vulnerability (CVSS 2.6) in Wireshark, published August 24, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.32%, the 83rd percentile. Fixed in wireshark 1.6.2-1.

References

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