Multiple stack-based buffer overflows in Autonomy (formerly Verity) KeyView Viewer, Filter, and Export SDK before 9.2.0.12, as used by ActivePDF DocConverter, IBM Lotus Notes before 7.0.3, Symantec Mail Security, and other products, allow remote attackers to execute arbitrary code via a crafted (1) AG file to kpagrdr.dll, (2) AW file to awsr.dll, (3) DLL or (4) EXE file to exesr.dll, (5) DOC file to mwsr.dll, (6) MIF file to mifsr.dll, (7) SAM file to lasr.dll, or (8) RTF file to rtfsr.dll. NOTE: the WPD (wp6sr.dll) vector is covered by CVE-2007-5910.
Conclusion & alert: CVE-2007-5909 is rated High Risk (65.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 25.87%, 96th 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 | 2025-07-11 | 31.62% | 25.87% | -5.75% |
| 2 | 2025-03-30 | 20.97% | 31.62% | +10.65% |
| 3 | 2025-03-29 | — | 20.97% | — |
Full EPSS history (18 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 |
|---|---|---|---|
| activepdf | docconverter | 3.8.2_.5 | cpe:2.3:a:activepdf:docconverter:3.8.2_.5:*:*:*:*:*:*:* |
| autonomy | keyview_export_sdk | <= 9.2.0 | cpe:2.3:a:autonomy:keyview_export_sdk:*:*:*:*:*:*:*:* |
| autonomy | keyview_filter_sdk | <= 9.2.0 | cpe:2.3:a:autonomy:keyview_filter_sdk:*:*:*:*:*:*:*:* |
| autonomy | keyview_viewer_sdk | <= 9.2.0 | cpe:2.3:a:autonomy:keyview_viewer_sdk:*:*:*:*:*:*:*:* |
| ibm | lotus_notes | <= 7.0.2 | cpe:2.3:a:ibm:lotus_notes:*:*:*:*:*:*:*:* |
| symantec | mail_security | 5.0 | cpe:2.3:a:symantec:mail_security:5.0:*:appliance:*:*:*:*:* |
| symantec | mail_security | 5.0 | cpe:2.3:a:symantec:mail_security:5.0:*:microsoft_exchange:*:*:*:*:* |
| symantec | mail_security | 5.0.0 | cpe:2.3:a:symantec:mail_security:5.0.0:*:smtp:*:*:*:*:* |
| symantec | mail_security | 5.0.0.24 | cpe:2.3:a:symantec:mail_security:5.0.0.24:*:appliance:*:*:*:*:* |
| symantec | mail_security | 5.0.1 | cpe:2.3:a:symantec:mail_security:5.0.1:*:smtp:*:*:*:*:* |
| symantec | mail_security | 7.5 | cpe:2.3:a:symantec:mail_security:7.5:*:domino:*:*:*:*:* |