Buffer overflow in X11 dissector in Ethereal 0.9.3 and earlier allows remote attackers to…
Priority MEDIUM 41Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Buffer overflow in X11 dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code while Ethereal is parsing keysyms.
Why it matters now
EPSS 0.04852 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 3 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
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:* | 0.9.1 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:* | 0.9.2 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:* | 0.9.3 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9_.0:*:*:*:*:*:*:* | 0.9_.0 | Vulnerable | Ethereal Group |
- cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:* Versions 0.9.3 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9_.0:*:*:*:*:*:*:* Versions 0.9_.0 Vulnerable ·Ethereal Group
Remediation
Red Hat 3 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-2002:170 Released 2002-09-13 · Red Hat rating Moderateethereal security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- 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
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2002:170 |
| 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-2002-0402
- 2026-10-03 Alias added: GHSA-m3w2-q6w5-4x94
References
More Ethereal Group Ethereal vulnerabilities
- TI-2004-00151 Multiple buffer overflows in Ethereal 0.8.13 to 0.10.2 allow remote attackers to cause a… CVSS 2.0MEDIUM 5.0
- TI-2006-03524 Buffer overflow in Wireshark (aka Ethereal) 0.8.16 to 0.99.0 allows remote attackers to… CVSS 2.0HIGH 10.0
- TI-2005-03011 Buffer overflow vulnerability in the unicode_to_bytes in the Service Location Protocol… CVSS 2.0HIGH 10.0
- TI-2004-00458 Buffer overflow in the MMSE dissector for Ethereal 0.10.1 to 0.10.3 allows remote… CVSS 2.0HIGH 10.0
- TI-2006-03520 Multiple format string vulnerabilities in Wireshark (aka Ethereal) 0.10.x to 0.99.0 allow… CVSS 2.0HIGH 10.0
- TI-2006-01877 Off-by-one error in the OID printing routine in Ethereal 0.10.x up to 0.10.14 has unknown… CVSS 2.0HIGH 10.0
Sources
- CVE-2002-0402 · CVE Program
- CVE-2002-0402 · NVD
- FIRST EPSS
- GHSA-m3w2-q6w5-4x94 · GitHub Advisory Database · CC BY 4.0
- CVE-2002-0402 · 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