Research In Motion (RIM) BlackBerry Browser on the BlackBerry 8800 allows remote attackers to cause a denial of service (application hang) via a JavaScript loop that configures the home page by using the setHomePage method and a DHTML behavior property.
Conclusion & alert: CVE-2009-3944 is rated Moderate Risk (41/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.44%). Mandatory action: Review affected assets and schedule 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 | 2025-03-30 | 0.48% | 0.44% | -0.04% |
| 2 | 2025-03-29 | 0.44% | 0.48% | +0.04% |
| 3 | 2025-03-17 | — | 0.44% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| rim | blackberry_browser | — | cpe:2.3:a:rim:blackberry_browser:*:*:*:*:*:*:*:* |
| rim | blackberry_8800 | — | cpe:2.3:h:rim:blackberry_8800:*:*:*:*:*:*:*:* |