Buffer overflow in the sun.awt.windows.WDefaultFontCharset Java class implementation in Netscape 4.0 allows remote attackers to execute arbitrary code via an applet that calls the WDefaultFontCharset constructor with a long string and invokes the canConvert method.
Conclusion & alert: CVE-2002-2248 is rated High Risk (71.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 5.06%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-02 | 4.87% | 5.06% | +0.19% |
| 2 | 2025-03-30 | 10.93% | 4.87% | -6.06% |
| 3 | 2025-03-29 | — | 10.93% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netscape | communicator | 4.0 | cpe:2.3:a:netscape:communicator:4.0:*:*:*:*:*:*:* |
| netscape | communicator | 4.5 | cpe:2.3:a:netscape:communicator:4.5:*:*:*:*:*:*:* |
| netscape | communicator | 4.6 | cpe:2.3:a:netscape:communicator:4.6:*:*:*:*:*:*:* |
| netscape | communicator | 4.7 | cpe:2.3:a:netscape:communicator:4.7:*:*:*:*:*:*:* |
| netscape | communicator | 4.51 | cpe:2.3:a:netscape:communicator:4.51:*:*:*:*:*:*:* |
| netscape | communicator | 4.61 | cpe:2.3:a:netscape:communicator:4.61:*:*:*:*:*:*:* |
| netscape | communicator | 4.72 | cpe:2.3:a:netscape:communicator:4.72:*:*:*:*:*:*:* |
| netscape | communicator | 4.73 | cpe:2.3:a:netscape:communicator:4.73:*:*:*:*:*:*:* |
| netscape | communicator | 4.74 | cpe:2.3:a:netscape:communicator:4.74:*:*:*:*:*:*:* |
| netscape | communicator | 4.75 | cpe:2.3:a:netscape:communicator:4.75:*:*:*:*:*:*:* |
| netscape | communicator | 4.76 | cpe:2.3:a:netscape:communicator:4.76:*:*:*:*:*:*:* |
| netscape | communicator | 4.77 | cpe:2.3:a:netscape:communicator:4.77:*:*:*:*:*:*:* |
| netscape | communicator | 4.78 | cpe:2.3:a:netscape:communicator:4.78:*:*:*:*:*:*:* |
| netscape | communicator | 4.79 | cpe:2.3:a:netscape:communicator:4.79:*:*:*:*:*:*:* |