CVE-2016-3644 describes a critical heap overflow vulnerability in the AntiVirus Decomposer engine across numerous Symantec and Norton products, including Endpoint Protection, Mail Security, and various consumer antivirus solutions. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through specially crafted, modified MIME data within messages. With a CVSS v3 score of 8.4 (High), it presents a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While not listed in CISA KEV, an ExploitDB entry (EDB-40034) confirms public exploit code availability, and the vulnerability has garnered notable community discussion and media coverage, indicating awareness and potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 13.0.1CPE matchmatch criteria | cpe:2.3:a:symantec:norton_security:*:*:*:*:*:macos:*:* | ||
>= 7.0.0, <= 7.0.5CPE matchmatch criteria | cpe:2.3:a:symantec:protection_engine:*:*:*:*:*:*:*:* | ||
>= 7.5.0, <= 7.5.4CPE matchmatch criteria | cpe:2.3:a:symantec:protection_engine:*:*:*:*:*:*:*:* | ||
7.8.0CPE matchmatch criteria | cpe:2.3:a:symantec:protection_engine:7.8.0:*:*:*:*:*:*:* | ||
<= 2.0.3CPE matchmatch criteria | cpe:2.3:a:symantec:advanced_threat_protection:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.