The pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in…
Priority LOW 24CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- 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-189 and the CVSS impact.
Summary
The pcapng_read_packet_block function in wiretap/pcapng.c in the pcap-ng file parser in Wireshark 1.8.x before 1.8.2 allows user-assisted remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted pcap-ng file.
Why it matters now
EPSS 0.0175 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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:o:sun:sunos:5.11:*:*:*:*:*:*:* | 5.11 | Vulnerable | Sun |
| 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:o:sun:sunos:5.11:*:*:*:*:*:*:* Versions 5.11 Vulnerable ·Sun
- 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
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: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4286
- 2026-10-03 Alias added: GHSA-545q-cmj3-26f6
References
Patch 2
Advisory 3
Sources
- CVE-2012-4286 · CVE Program
- CVE-2012-4286 · NVD
- FIRST EPSS
- GHSA-545q-cmj3-26f6 · GitHub Advisory Database · CC BY 4.0
- CVE-2012-4286 · 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