CVE-2016-3645
Integer overflow in the TNEF unpacker in the AntiVirus Decomposer engine in Symantec Advanced Threat Protection (ATP); Symantec Data Center Security:Server (SDCS:S) 6.x through 6.6 MP1; Symantec Web Gateway; Symantec Endpoint Protection (SEP) before 12.1 RU6 MP5; Symantec Endpoint Protection (SEP) for Mac; Symantec Endpoint Protection (SEP) for Linux before 12.1 RU6 MP5; Symantec Protection Engine (SPE) before 7.0.5 HF01, 7.5.x before 7.5.3 HF03, 7.5.4 before HF01, and 7.8.0 before HF01; Symantec Protection for SharePoint Servers (SPSS) 6.0.3 through 6.0.5 before 6.0.5 HF 1.5 and 6.0.6 before HF 1.6; Symantec Mail Security for Microsoft Exchange (SMSMSE) before 7.0_3966002 HF1.1 and 7.5.x before 7.5_3966008 VHF1.2; Symantec Mail Security for Domino (SMSDOM) before 8.0.9 HF1.1 and 8.1.x before 8.1.3 HF1.2; CSAPI before 10.0.4 HF01; Symantec Message Gateway (SMG) before 10.6.1-4; Symantec Message Gateway for Service Providers (SMG-SP) 10.5 before patch 254 and 10.6 before patch 253; Norton AntiVirus, Norton Security, Norton Internet Security, and Norton 360 before NGC 22.7; Norton Security for Mac before 13.0.2; Norton Power Eraser (NPE) before 5.1; and Norton Bootable Removal Tool (NBRT) before 2016.1 allows remote attackers to have an unspecified impact via crafted TNEF data.
Key facts
- CVSS score
- 9.8 (v3.0)
- Severity
- CRITICAL
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-189
- EPSS score
- 24.6% (98th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2016-4670)
- Published
- June 30, 2016
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2016-4670 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- symantec / advanced threat protection
- symantec / csapi
- symantec / data center security server
- symantec / data center security server
- symantec / data center security server
- symantec / data center security server
- symantec / data center security server
- symantec / data center security server
- symantec / endpoint protection
- symantec / endpoint protection
- symantec / endpoint protection
- symantec / endpoint protection
- symantec / endpoint protection
- symantec / endpoint protection
- symantec / endpoint protection
- symantec / mail security for domino
- symantec / mail security for microsoft exchange
- symantec / mail security for microsoft exchange
- symantec / message gateway
- symantec / message gateway for service providers
- symantec / message gateway for service providers
- symantec / ngc
- symantec / norton 360
- symantec / norton antivirus
- symantec / norton bootable removal tool
- symantec / norton internet security
- symantec / norton power eraser
- symantec / norton security
- symantec / norton security
- symantec / norton security with backup
- symantec / protection engine
- symantec / protection engine
- symantec / protection for sharepoint servers
Certified products that may be affected
1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.
- SYMANTEC MESSAGING GATEWAY v10.6.1-4 - Symantec Corporation - Common Criteria Number: 2016/101 - archived
References
- http://www.securityfocus.com/bid/91439(Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id/1036198(Third Party Advisory, VDB Entry)
- http://www.securitytracker.com/id/1036199(Third Party Advisory, VDB Entry)
- https://www.exploit-db.com/exploits/40035/(Third Party Advisory, VDB Entry)
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160628_00(Vendor Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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