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CVE-1999-1189

High CVSS 7.5

Published 1999-11-24 ยท last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1189, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P