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