← Vulnerability feed

Vulnerability record · CVE-2007-3771 · published 15 July 2007

CVE-2007-3771: Symantec client security vulnerability

Symantec · Client Security

Stack-based buffer overflow in the Internet E-mail Auto-Protect feature in Symantec AntiVirus Corporate Edition before 10.1, and Client Security before 3.1, allows local users to cause a denial of service (service crash) via a long (1) To, (2) From, or (3) Subject header in an outbound SMTP e-mail message. NOTE: the original vendor advisory referenced CVE-2006-3456, but this was an error.

4.6 CVSS 2.0 Medium EPSS 0.36% · top 72.9%
4.6CVSS 2.0 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the Internet E-mail Auto-Protect feature in Symantec AntiVirus Corporate Edition before 10.1, and Client Security before 3.1, allows local users to cause a denial of service (service crash) via a long (1) To, (2) From, or (3) Subject header in an outbound SMTP e-mail message. NOTE: the original vendor advisory referenced CVE-2006-3456, but this was an error.

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

Affected products

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

References

LinkTags
http://osvdb.org/36115
http://secunia.com/advisories/26036 PatchVendor Advisory
http://securityresponse.symantec.com/avcenter/security/Content/2007.07.11b.html
http://securitytracker.com/id?1018367
http://securitytracker.com/id?1018371
http://www.securityfocus.com/bid/24802
http://www.vupen.com/english/advisories/2007/2506
https://exchange.xforce.ibmcloud.com/vulnerabilities/35354
http://osvdb.org/36115
http://secunia.com/advisories/26036 PatchVendor Advisory
http://securityresponse.symantec.com/avcenter/security/Content/2007.07.11b.html
http://securitytracker.com/id?1018367
http://securitytracker.com/id?1018371
http://www.securityfocus.com/bid/24802
http://www.vupen.com/english/advisories/2007/2506
https://exchange.xforce.ibmcloud.com/vulnerabilities/35354

Track CVE-2007-3771 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-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-2005-2017Symantec norton antivirus vulnerabilitySymantec AntiVirus 9 Corporate Edition allows local users to gain privileges via the "Scan for viruses" option, which launches a help window with rai…EPSS 1.7%10.0CVE-2004-0487Symantec norton antivirus vulnerabilityA certain ActiveX control in Symantec Norton AntiVirus 2004 allows remote attackers to cause a denial of service (resource consumption) and possibly …EPSS 6.4%10.0CVE-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%10.0CVE-2000-0793Novell client vulnerabilityNorton AntiVirus 5.00.01C with the Novell Netware client does not properly restart the auto-protection service after the first user has logged off of…EPSS 2.0%

Source: NIST National Vulnerability Database (record CVE-2007-3771), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.