The proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through…
Priority LOW 18CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02317 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:* | 1.6.0 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:* | 1.6.1 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:* | 1.4.1 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:* | 1.4.2 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:* | 1.4.3 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:* | 1.4.4 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:* | 1.4.5 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.6:*:*:*:*:*:*:* | 1.4.6 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.7:*:*:*:*:*:*:* | 1.4.7 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:1.6.0:*:*:*:*:*:*:* Versions 1.6.0 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.6.1:*:*:*:*:*:*:* Versions 1.6.1 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:* Versions 1.4.5 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.6:*:*:*:*:*:*:* Versions 1.4.6 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.7:*:*:*:*:*:*:* Versions 1.4.7 Vulnerable ·Wireshark Foundation
Show 1 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:1.4.8:*:*:*:*:*:*:* | 1.4.8 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:1.4.8:*:*:*:*:*:*:* Versions 1.4.8 Vulnerable ·Wireshark Foundation
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3266
- 2026-10-03 Alias added: GHSA-h4pp-978c-885j
References
More Wireshark Foundation Wireshark vulnerabilities
- TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
- TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
- TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
- TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
- TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
- TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3
Sources
- CVE-2011-3266 · CVE Program
- CVE-2011-3266 · NVD
- FIRST EPSS
- GHSA-h4pp-978c-885j · GitHub Advisory Database · CC BY 4.0
- CVE-2011-3266 · Red Hat security data · CC BY 4.0
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