← Vulnerability feed

Vulnerability record · CVE-2000-1187 · published 9 January 2001

CVE-2000-1187: Netscape communicator vulnerability

Netscape · Communicator

Buffer overflow in the HTML parser for Netscape 4.75 and earlier allows remote attackers to execute arbitrary commands via a long password value in a form field.

7.5 CVSS 2.0 High EPSS 2.6% · top 15.0%
7.5CVSS 2.0 base score
2.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the HTML parser for Netscape 4.75 and earlier allows remote attackers to execute arbitrary commands via a long password value in a form field.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:66.netscape.asc PatchVendor Advisory
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000344
http://lists.suse.com/archives/suse-security-announce/2000-Nov/0005.html
http://marc.info/?l=bugtraq&m=97500270012529&w=2
http://www.osvdb.org/7207
http://www.redhat.com/support/errata/RHSA-2000-109.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5542
ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:66.netscape.asc PatchVendor Advisory
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000344
http://lists.suse.com/archives/suse-security-announce/2000-Nov/0005.html
http://marc.info/?l=bugtraq&m=97500270012529&w=2
http://www.osvdb.org/7207
http://www.redhat.com/support/errata/RHSA-2000-109.html PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/5542

Track CVE-2000-1187 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2004-0904Mozilla firefox vulnerabilityInteger overflow in the bitmap (BMP) decoder for Mozilla Firefox before the Preview Release, Mozilla before 1.7.3, and Thunderbird before 0.8 allow r…EPSS 8.0%10.0CVE-2004-0722Mozilla vulnerabilityInteger overflow in the SOAPParameter object constructor in (1) Netscape version 7.0 and 7.1 and (2) Mozilla 1.6, and possibly earlier versions, allo…EPSS 13%10.0CVE-2002-2248Netscape communicator memory buffer overflow vulnerabilityBuffer overflow in the sun.awt.windows.WDefaultFontCharset Java class implementation in Netscape 4.0 allows remote attackers to execute arbitrary cod…EPSS 5.8%9.3CVE-2007-3924Microsoft internet explorer vulnerabilityArgument injection vulnerability in Microsoft Internet Explorer, when running on systems with Netscape installed and certain URIs registered, allows …EPSS 14%7.6CVE-2006-4253K-meleon project k-meleon permissions and access controls vulnerabilityConcurrency vulnerability in Mozilla Firefox 1.5.0.6 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute ar…EPSS 15%7.5CVE-2007-4042Microsoft internet explorer vulnerabilityMultiple argument injection vulnerabilities in Netscape Navigator 9 allow remote attackers to execute arbitrary commands via a NULL byte (%00) and sh…EPSS 10%7.5CVE-2005-1156Mozilla firefox vulnerabilityFirefox before 1.0.3, Mozilla Suite before 1.7.7, and Netscape 7.2 allows remote attackers to execute arbitrary script and code via a new search plug…EPSS 2.3%7.5CVE-2005-1157Mozilla firefox vulnerabilityFirefox before 1.0.3, Mozilla Suite before 1.7.7, and Netscape 7.2 allows remote attackers to replace existing search plugins with malicious ones usi…EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2000-1187), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.