CVE-2009-3944

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.

Published: 2009-11-16 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2009-3944

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3944

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-3944

Affected software / configurations for CVE-2009-3944

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:*:*:*:*:*:*:*:*

References for CVE-2009-3944

cvelogic Threat Intelligence