SMB dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of…
Priority MEDIUM 41CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
SMB dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via malformed packets that cause Ethereal to dereference a NULL pointer.
Why it matters now
EPSS 0.05508 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
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
Remediation
Red Hat 2 advisories
- RHSA-2002:036 Released 2002-09-13 · Red Hat rating Moderate: Updated ethereal packages available
- Red Hat Powertools 6.2
- Red Hat Powertools 7.0
- Red Hat Powertools 7.1
- RHSA-2002:088 Released 2002-06-06 · Red Hat rating Moderate: Updated ethereal packages are available
- Red Hat Linux 7.2
- Red Hat Linux 7.3
Vendor assessments
Red Hat
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Linux 7.2 | Fixed | RHSA-2002:088 |
| Red Hat Linux 7.3 | Fixed | RHSA-2002:088 |
| Red Hat Powertools 6.2 | Fixed | RHSA-2002:036 |
| Red Hat Powertools 7.0 | Fixed | RHSA-2002:036 |
| Red Hat Powertools 7.1 | Fixed | RHSA-2002:036 |
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0401
- 2026-10-03 Alias added: GHSA-9mw9-fqx9-v6vp
References
Sources
- CVE-2002-0401 · CVE Program
- CVE-2002-0401 · NVD
- FIRST EPSS
- GHSA-9mw9-fqx9-v6vp · GitHub Advisory Database · CC BY 4.0
- CVE-2002-0401 · 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