Buffer overflow in the sun.awt.windows.WDefaultFontCharset Java class implementation in…
Priority MEDIUM 52CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.05787 93rd 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
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:netscape:communicator:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.5:*:*:*:*:*:*:* | 4.5 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.6:*:*:*:*:*:*:* | 4.6 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.7:*:*:*:*:*:*:* | 4.7 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.51:*:*:*:*:*:*:* | 4.51 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.61:*:*:*:*:*:*:* | 4.61 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.72:*:*:*:*:*:*:* | 4.72 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.73:*:*:*:*:*:*:* | 4.73 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.74:*:*:*:*:*:*:* | 4.74 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.75:*:*:*:*:*:*:* | 4.75 | Vulnerable | Netscape |
- cpe:2.3:a:netscape:communicator:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.5:*:*:*:*:*:*:* Versions 4.5 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.6:*:*:*:*:*:*:* Versions 4.6 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.51:*:*:*:*:*:*:* Versions 4.51 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.61:*:*:*:*:*:*:* Versions 4.61 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.72:*:*:*:*:*:*:* Versions 4.72 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.73:*:*:*:*:*:*:* Versions 4.73 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.74:*:*:*:*:*:*:* Versions 4.74 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.75:*:*:*:*:*:*:* Versions 4.75 Vulnerable ·Netscape
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:netscape:communicator:4.76:*:*:*:*:*:*:* | 4.76 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.77:*:*:*:*:*:*:* | 4.77 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.78:*:*:*:*:*:*:* | 4.78 | Vulnerable | Netscape |
| cpe:2.3:a:netscape:communicator:4.79:*:*:*:*:*:*:* | 4.79 | Vulnerable | Netscape |
- cpe:2.3:a:netscape:communicator:4.76:*:*:*:*:*:*:* Versions 4.76 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.77:*:*:*:*:*:*:* Versions 4.77 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.78:*:*:*:*:*:*:* Versions 4.78 Vulnerable ·Netscape
- cpe:2.3:a:netscape:communicator:4.79:*:*:*:*:*:*:* Versions 4.79 Vulnerable ·Netscape
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-2248
- 2026-10-03 Alias added: GHSA-868j-8v9v-89vg
References
More Netscape Communicator vulnerabilities
- TI-2000-00709 Netscape Communicator does not properly prevent a ServerSocket object from being created… CVSS 2.0HIGH 7.5
- TI-2001-00581 Netscape Communicator before 4.77 allows remote attackers to execute arbitrary Javascript… CVSS 2.0HIGH 7.5
- TI-2000-00674 Netscape Communicator and Navigator 4.04 through 4.74 allows remote attackers to read… CVSS 2.0MEDIUM 5.0
- TI-1999-00528 A configuration in a web browser such as Internet Explorer or Netscape Navigator allows… CVSS 2.0HIGH 7.5
- TI-2002-00577 Buffer overflow in Netscape 6 and Mozilla 1.0 RC1 and earlier allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-1999-00435 The byte code verifier component of the Java Virtual Machine (JVM) allows remote execution through malicious web pages. CVSS 2.0HIGH 7.5
Sources
- CVE-2002-2248 · CVE Program
- CVE-2002-2248 · NVD
- FIRST EPSS
- GHSA-868j-8v9v-89vg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences