CVE-2009-2542

Exp

Netscape 6 and 8 allows remote attackers to cause a denial of service (memory consumption) via a large integer value for the length property of a Select object, a related issue to CVE-2009-1692.

Published: 2009-07-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-2542 is rated High Exploit Risk (61.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.33%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.28% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-2542

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-2542

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 2026-06-15 1.05% 2.33% +1.28%
2 2026-01-12 1.18% 1.05% -0.12%
3 2025-03-30 1.18%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-2542

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/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:M)
Exploitation needs some favorable conditions, but not exceptional ones.
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.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2009-2542

Affected software / configurations for CVE-2009-2542

Vendor Product Version Raw CPE
netscape navigator 6 cpe:2.3:a:netscape:navigator:6:*:*:*:*:*:*:*
netscape navigator 8 cpe:2.3:a:netscape:navigator:8:*:*:*:*:*:*:*

References for CVE-2009-2542

cvelogic Threat Intelligence