Buffer overflow in the dissect_tlv function in epan/dissectors/packet-ldp.c in the LDP…
Priority LOW 29CWE-119Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the dissect_tlv function in epan/dissectors/packet-ldp.c in the LDP dissector in Wireshark 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a malformed packet.
Why it matters now
EPSS 0.01392 72nd 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:* | 1.8.0 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:* | 1.8.1 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:* | 1.8.2 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:1.8.0:*:*:*:*:*:*:* Versions 1.8.0 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.8.1:*:*:*:*:*:*:* Versions 1.8.1 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.8.2:*:*:*:*:*:*:* Versions 1.8.2 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: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2012-5240
- 2026-10-03 Alias added: GHSA-2m57-99r8-vg66
References
Other 5
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7567
- oval:org.mitre.oval:def:15691
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=44801
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ldp.c?r1=44801&r2=44800&pathrev=44801
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7046
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-2012-5240 · CVE Program
- CVE-2012-5240 · NVD
- FIRST EPSS
- GHSA-2m57-99r8-vg66 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-5240 · 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