TI-1999-01137 Aliases CVE-1999-1189 GHSA-f9rc-g2vv-h5f9

Buffer overflow in Netscape Navigator/Communicator 4.7 for Windows 95 and Windows 98…

LOW 38Published 2004-09-01 · Updated 2024-08-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Partial · Partial · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Buffer overflow in Netscape Navigator/Communicator 4.7 for Windows 95 and Windows 98 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long argument after the ? character in a URL that references an .asp, .cgi, .html, or .pl file.

Why it matters now

EPSS 0.02518 84th 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 · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:netscape:communicator:4.7:::::::*	4.7	Vulnerable	Netscape
cpe:2.3:a:netscape:navigator:4.7:::::::*	4.7	Vulnerable	Netscape

cpe:2.3:a:netscape:communicator:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Netscape
cpe:2.3:a:netscape:navigator:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Netscape

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-1999-1189
2026-10-03 Alias added: GHSA-f9rc-g2vv-h5f9

References

—

TI-2000-00709 Netscape Communicator does not properly prevent a ServerSocket object from being created… CVSS 2.0HIGH 7.5
TI-2002-02160 Buffer overflow in the sun.awt.windows.WDefaultFontCharset Java class implementation in… CVSS 2.0HIGH 10.0
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

See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences