Heap-based buffer overflow in the Decomposer component in multiple Symantec products allows remote attackers to execute arbitrary code via multiple crafted CAB archives.
Conclusion & alert: CVE-2007-0447 is rated High Risk (70.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 11.23%, 94th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-24 | 10.84% | 11.23% | +0.39% |
| 2 | 2025-03-30 | 8.46% | 10.84% | +2.38% |
| 3 | 2025-03-29 | — | 8.46% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| symantec | antivirus_scan_engine | 4.0 | cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.0 | cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:clearswift:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.1 | cpe:2.3:a:symantec:antivirus_scan_engine:4.1:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.1.8 | cpe:2.3:a:symantec:antivirus_scan_engine:4.1.8:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:caching:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:clearswift:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:microsoft_sharepoint:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:network_attached_storage:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.3 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.3:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.7.27 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.7.27:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.8.29 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.8.29:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.12 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.12 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:caching:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.12 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:clearswift:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.12 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:messaging:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.12 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:microsoft_sharepoint:*:*:*:*:* |
| symantec | antivirus_scan_engine | 4.3.12 | cpe:2.3:a:symantec:antivirus_scan_engine:4.3.12:*:network_attached_storage:*:*:*:*:* |
| symantec | antivirus_scan_engine | 5.0 | cpe:2.3:a:symantec:antivirus_scan_engine:5.0:*:*:*:*:*:*:* |
| symantec | antivirus_scan_engine | 5.0.1 | cpe:2.3:a:symantec:antivirus_scan_engine:5.0.1:*:*:*:*:*:*:* |
| symantec | brightmail_antispam | 4.0 | cpe:2.3:a:symantec:brightmail_antispam:4.0:*:*:*:*:*:*:* |
| symantec | brightmail_antispam | 5.5 | cpe:2.3:a:symantec:brightmail_antispam:5.5:*:*:*:*:*:*:* |
| symantec | brightmail_antispam | 6.0 | cpe:2.3:a:symantec:brightmail_antispam:6.0:*:*:*:*:*:*:* |
| symantec | brightmail_antispam | 6.0.1 | cpe:2.3:a:symantec:brightmail_antispam:6.0.1:*:*:*:*:*:*:* |
| symantec | brightmail_antispam | 6.0.2 | cpe:2.3:a:symantec:brightmail_antispam:6.0.2:*:*:*:*:*:*:* |
| symantec | brightmail_antispam | 6.0.3 | cpe:2.3:a:symantec:brightmail_antispam:6.0.3:*:*:*:*:*:*:* |
| symantec | brightmail_antispam | 6.0.4 | cpe:2.3:a:symantec:brightmail_antispam:6.0.4:*:*:*:*:*:*:* |
| symantec | client_security | 2.0 | cpe:2.3:a:symantec:client_security:2.0:*:*:*:*:*:*:* |
| symantec | client_security | 2.0 | cpe:2.3:a:symantec:client_security:2.0:*:scf_7.1:*:*:*:*:* |
| symantec | client_security | 2.0 | cpe:2.3:a:symantec:client_security:2.0:build_9.0.0.338:stm:*:*:*:*:* |
| symantec | client_security | 2.0.1_build_9.0.1.1000 | cpe:2.3:a:symantec:client_security:2.0.1_build_9.0.1.1000:mr1:*:*:*:*:*:* |
| symantec | client_security | 2.0.2_build_9.0.2.1000 | cpe:2.3:a:symantec:client_security:2.0.2_build_9.0.2.1000:mr2:*:*:*:*:*:* |
| symantec | client_security | 2.0.3_build_9.0.3.1000 | cpe:2.3:a:symantec:client_security:2.0.3_build_9.0.3.1000:mr3:*:*:*:*:*:* |
| symantec | client_security | 2.0.4 | cpe:2.3:a:symantec:client_security:2.0.4:*:*:*:*:*:*:* |
| symantec | client_security | 2.0.4 | cpe:2.3:a:symantec:client_security:2.0.4:mr4_build1000:*:*:*:*:*:* |
| symantec | client_security | 2.0.5_build_1100_mp1 | cpe:2.3:a:symantec:client_security:2.0.5_build_1100_mp1:mr5:*:*:*:*:*:* |
| symantec | client_security | 2.0.6 | cpe:2.3:a:symantec:client_security:2.0.6:mr6:*:*:*:*:*:* |
| symantec | client_security | 3.0 | cpe:2.3:a:symantec:client_security:3.0:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.0.359 | cpe:2.3:a:symantec:client_security:3.0.0.359:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1000 | cpe:2.3:a:symantec:client_security:3.0.1.1000:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1001 | cpe:2.3:a:symantec:client_security:3.0.1.1001:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1007 | cpe:2.3:a:symantec:client_security:3.0.1.1007:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1008 | cpe:2.3:a:symantec:client_security:3.0.1.1008:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2000 | cpe:2.3:a:symantec:client_security:3.0.2.2000:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2001 | cpe:2.3:a:symantec:client_security:3.0.2.2001:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2002 | cpe:2.3:a:symantec:client_security:3.0.2.2002:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2010 | cpe:2.3:a:symantec:client_security:3.0.2.2010:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2011 | cpe:2.3:a:symantec:client_security:3.0.2.2011:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2020 | cpe:2.3:a:symantec:client_security:3.0.2.2020:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2021 | cpe:2.3:a:symantec:client_security:3.0.2.2021:*:*:*:*:*:*:* |
| symantec | client_security | 3.1 | cpe:2.3:a:symantec:client_security:3.1:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.394 | cpe:2.3:a:symantec:client_security:3.1.394:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.396 | cpe:2.3:a:symantec:client_security:3.1.396:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.400 | cpe:2.3:a:symantec:client_security:3.1.400:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.401 | cpe:2.3:a:symantec:client_security:3.1.401:*:*:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:*:domino:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:build456:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:build463:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:build465:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:build736:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:build741:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.0 | cpe:2.3:a:symantec:mail_security:4.0:build743:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.0.1 | cpe:2.3:a:symantec:mail_security:4.0.1:*:domino:*:*:*:*:* |
| symantec | mail_security | 4.1 | cpe:2.3:a:symantec:mail_security:4.1:build458:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.1 | cpe:2.3:a:symantec:mail_security:4.1:build459:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.1 | cpe:2.3:a:symantec:mail_security:4.1:build461:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.5 | cpe:2.3:a:symantec:mail_security:4.5:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.5.4.743 | cpe:2.3:a:symantec:mail_security:4.5.4.743:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.5_build_719 | cpe:2.3:a:symantec:mail_security:4.5_build_719:*:exchange:*:*:*:*:* |
| symantec | mail_security | 4.5_build_736 | cpe:2.3:a:symantec:mail_security:4.5_build_736:*:exchange:*:*:*:*:* |
| symantec | mail_security | 4.5_build_741 | cpe:2.3:a:symantec:mail_security:4.5_build_741:*:exchange:*:*:*:*:* |
| symantec | mail_security | 4.6.1.107 | cpe:2.3:a:symantec:mail_security:4.6.1.107:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.6.3 | cpe:2.3:a:symantec:mail_security:4.6.3:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 4.6_build_97 | cpe:2.3:a:symantec:mail_security:4.6_build_97:*:exchange:*:*:*:*:* |
| symantec | mail_security | 5.0 | cpe:2.3:a:symantec:mail_security:5.0:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 5.0 | cpe:2.3:a:symantec:mail_security:5.0:*:smtp:*:*:*:*:* |
| symantec | mail_security | 5.0.0.204 | cpe:2.3:a:symantec:mail_security:5.0.0.204:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 5.0.1 | cpe:2.3:a:symantec:mail_security:5.0.1:*:smtp:*:*:*:*:* |
| symantec | mail_security | 5.1.0 | cpe:2.3:a:symantec:mail_security:5.1.0:*:domino:*:*:*:*:* |