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CVE-2011-3266

14
FAUCET Score

CVE-2011-3266 describes a denial-of-service vulnerability in Wireshark versions 1.6.0-1.6.1 and 1.4.0-1.4.8, specifically within the IKEv1 protocol dissector. A user-assisted remote attacker can trigger an infinite loop by providing a specially crafted IKE packet with numerous items in a tree. This vulnerability has a low CVSS score of 2.6, indicating a network-based attack with high complexity and only a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.6.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:*
1.6.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:*
1.4.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:*
1.4.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.32%
Probability of exploitation in next 30 days
EPSS Percentile
81.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0232 is in the 78th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2011-3266Low

Wireshark proto_tree_add_item DoS

Jul 28, 2011

References

lists.opensuse.org / opensuse-security-announce/2011-11/msg00021.html
lists.opensuse.org / opensuse-security-announce/2011-11/msg00022.html
securityreason.com / securityalert/8351
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/69411
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15042
mandriva.com / security/advisories
securityfocus.com / archive/1/519049/100/0/threaded
securityfocus.com / bid/49377
wireshark.org / security/wnpa-sec-2011-13.html