Wireshark proto_tree_add_item DoS
Published Aug 24, 2011
2.6
LOWCVSS 2.0
EPSS 2.32%
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.
Affected products
No data.
Configuration 2
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.4.5
- 1.4.6
- 1.4.7
- 1.4.8
No data.
Red Hat Enterprise Linux 4
wireshark
Not affected
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the version of wireshark shipped with Red Hat Enterprise Linux 4, 5 and 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:H/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.32% (0.02317) | 82.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.32% (0.02317) | 81.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.35% (0.01350) | 78.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.33% (0.00334) | 72.05th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00334) | 70.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00334) | 66.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00021.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00022.html vendor-advisoryx_refsource_SUSE
- http://securityreason.com/securityalert/8351 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1025875 vdb-entryx_refsource_SECTRACK
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:138 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/archive/1/519049/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/49377 vdb-entryx_refsource_BID
- http://www.wireshark.org/security/wnpa-sec-2011-13.html x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2011-3266 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=732947 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69411 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-3266
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15042 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-3266
Change history (0)
No recorded changes yet.