The dissect_nhdr_extopt function in epan/dissectors/packet-lbmc.c in the LBMC dissector…
Priority LOW 31CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The dissect_nhdr_extopt function in epan/dissectors/packet-lbmc.c in the LBMC dissector in Wireshark 2.0.x before 2.0.2 does not validate length values, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) via a crafted packet.
Why it matters now
EPSS 0.02206 82nd 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Wireshark Foundation
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2528
- 2026-10-03 Alias added: GHSA-4c7r-2m52-xmv2
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-2016-2528 · CVE Program
- CVE-2016-2528 · NVD
- FIRST EPSS
- GHSA-4c7r-2m52-xmv2 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-2528 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences