An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31.
Priority MEDIUM 45CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Buffer overflow in the formUpdateBuffer function in w3m allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTML page.
Why it matters now
EPSS 0.03784 90th 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
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-2016-9429
- 2026-10-03 Alias added: GHSA-x2xw-p449-3736
- 2026-11-05 EPSS moved to the 90th–95th percentile
References
More Tats W3m vulnerabilities
- TI-2016-07700 An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. CVSS 3.1HIGH 8.8
- TI-2016-07694 An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. CVSS 3.0HIGH 8.8
- TI-2016-07697 An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. CVSS 3.0HIGH 8.8
- TI-2016-07696 An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. CVSS 3.0HIGH 8.8
- TI-2016-07695 An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. CVSS 3.0HIGH 8.8
- TI-2016-07698 An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. CVSS 3.0HIGH 8.8
Sources
- CVE-2016-9429 · CVE Program
- CVE-2016-9429 · NVD
- FIRST EPSS
- GHSA-x2xw-p449-3736 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-9429 · Red Hat security data · CC BY 4.0
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