CVE-1999-1189

critical

Description

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/7884

http://www.securityfocus.com/bid/822

http://www.securityfocus.com/archive/1/36608

http://www.securityfocus.com/archive/1/36306

Details

Source: Mitre, NVD

Published: 1999-11-24

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.02353