An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31.
Priority MEDIUM 46CWE-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
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. 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. The feed_table_tag function in w3m doesn't properly validate the value of table span, which allows remote attackers to cause a denial of service (stack and/or heap buffer overflow) and possibly execute arbitrary code via a crafted HTML page.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03181 88th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9422
- 2026-10-03 Alias added: GHSA-q689-7jq5-856w
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-2016-07701 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-2016-9422 · CVE Program
- CVE-2016-9422 · NVD
- FIRST EPSS
- GHSA-q689-7jq5-856w · GitHub Advisory Database · CC BY 4.0
- CVE-2016-9422 · 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