CVE-2007-3771
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.
Key facts
- CVSS score
- 4.6 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:L/Au:S/C:N/I:N/A:C- EPSS score
- 0.4% (30th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-3755)
- Published
- July 15, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-3755 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / client security
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
- symantec / norton antivirus
References
- http://osvdb.org/36115
- http://secunia.com/advisories/26036(Patch, Vendor 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain