← Vulnerability feed

Vulnerability record · CVE-2004-0445 · published 7 July 2004

CVE-2004-0445: Symantec client firewall vulnerability

Symantec · Client Firewall

The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.

2.6 CVSS 2.0 Low EPSS 11% · top 4.2%
2.6CVSS 2.0 base score
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.

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

Affected products

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

References

LinkTags
http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021359.html
http://secunia.com/advisories/11066
http://securityresponse.symantec.com/avcenter/security/Content/2004.05.12.html PatchVendor Advisory
http://securitytracker.com/id?1010144
http://securitytracker.com/id?1010145
http://securitytracker.com/id?1010146
http://www.ciac.org/ciac/bulletins/o-141.shtml
http://www.kb.cert.org/vuls/id/682110 PatchThird Party AdvisoryUS Government Resource
http://www.osvdb.org/6100
http://www.securityfocus.com/bid/10336
https://exchange.xforce.ibmcloud.com/vulnerabilities/16132
http://lists.grok.org.uk/pipermail/full-disclosure/2004-May/021359.html
http://secunia.com/advisories/11066
http://securityresponse.symantec.com/avcenter/security/Content/2004.05.12.html PatchVendor Advisory
http://securitytracker.com/id?1010144
http://securitytracker.com/id?1010145
http://securitytracker.com/id?1010146
http://www.ciac.org/ciac/bulletins/o-141.shtml
http://www.kb.cert.org/vuls/id/682110 PatchThird Party AdvisoryUS Government Resource
http://www.osvdb.org/6100
http://www.securityfocus.com/bid/10336
https://exchange.xforce.ibmcloud.com/vulnerabilities/16132

Track CVE-2004-0445 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-2010-0108Symantec antivirus memory buffer overflow vulnerabilityBuffer overflow in the cliproxy.objects.1 ActiveX control in the Symantec Client Proxy (CLIproxy.dll) in Symantec AntiVirus 10.0.x, 10.1.x before MR9…EPSS 19%10.0CVE-2009-1429Symantec AMS2 Intel LANDesk CBA Remote Command ExecutionThe Intel LANDesk Common Base Agent (CBA) in Symantec Alert Management System 2 (AMS2) passes crafted packet contents directly to the CreateProcessA …EPSS 88%analysed10.0CVE-2007-1689Norton 2004 ActiveX control buffer overflow via ISAlertDataCOMThe ISAlertDataCOM ActiveX control in ISLALERT.DLL, shipped with Norton Personal Firewall 2004 and Norton Internet Security 2004, contains a buffer o…EPSS 65%analysed10.0CVE-2006-6490Supportsoft scriptrunner vulnerabilityMultiple buffer overflows in the SupportSoft (1) SmartIssue (tgctlsi.dll) and (2) ScriptRunner (tgctlsr.dll) ActiveX controls, as used by Symantec Au…EPSS 10%10.0CVE-2006-2630Symantec Antivirus and Client Security stack buffer overflowSymantec Antivirus 10.1 and Client Security 3.1 contain a stack-based buffer overflow that remote attackers can trigger through unspecified attack ve…EPSS 74%analysed10.0CVE-2004-0444Symantec client firewall vulnerabilityMultiple vulnerabilities in SYMDNS.SYS for Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 throug…EPSS 13%9.8CVE-2016-3645Symantec norton security vulnerabilityInteger overflow in the TNEF unpacker in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec Data Center Security:…EPSS 25%9.3CVE-2010-0107Symantec client security memory buffer overflow vulnerabilityBuffer overflow in an ActiveX control (SYMLTCOM.dll) in Symantec N360 1.0 and 2.0; Norton Internet Security, AntiVirus, SystemWorks, and Confidential…EPSS 6.5%

Source: NIST National Vulnerability Database (record CVE-2004-0445), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.