Stack-based buffer overflow in NJStar Chinese and Japanese Word Processor 4.x and 5.x before 5.10 allows user-assisted attackers to execute arbitrary code via font names in NJStar (.njx) documents.
Conclusion & alert: CVE-2006-0807 is rated High Exploit Risk (68.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.86%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.98% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.88% | 3.86% | +1.98% |
| 2 | 2025-03-30 | 2.20% | 1.88% | -0.31% |
| 3 | 2025-03-29 | — | 2.20% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 2.0 | MEDIUM |
|
4.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| njstar | chinese_word_processor | <= 5.01.41108 | cpe:2.3:a:njstar:chinese_word_processor:*:*:*:*:*:*:*:* |
| njstar | japanese_word_processor | <= 5.01.41108 | cpe:2.3:a:njstar:japanese_word_processor:*:*:*:*:*:*:*:* |