CVE-2008-4382

Konqueror in KDE 3.5.9 allows remote attackers to cause a denial of service (application crash) via Javascript that calls the alert function with a URL-encoded string of a large number of invalid characters.

Published: 2008-10-02 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-4382 is rated Moderate Risk (42.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.47%). 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-2008-4382

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 2025-03-17 0.26% 0.47% +0.21%
2 2023-03-07 1.05% 0.26% -0.79%
3 2022-02-04 1.05%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-4382

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-2008-4382

OS Trackers for CVE-2008-4382

vendor priority summary link
redhat https://access.redhat.com/security/cve/CVE-2008-4382
ubuntu negligible CVE-2008-4382 negligible priority: Ubuntu including 1 source packages (kdebase), 7 status rows across 7 suites (dapper, feisty, gutsy, hardy, intrepid, jaunty, upstream): ignored 6, needed 1. https://ubuntu.com/security/CVE-2008-4382

Vendor comments (NVD) for CVE-2008-4382

  • Red Hat (2017-08-07T21:32:36.217)

    We do not consider a crash of a client application such as Konqueror to be a security issue.

Affected software / configurations for CVE-2008-4382

Vendor Product Version Raw CPE
kde konqueror 3.5.9 cpe:2.3:a:kde:konqueror:3.5.9:*:*:*:*:*:*:*

References for CVE-2008-4382

cvelogic Threat Intelligence