The HTML parser in KDE Konqueror 3.5.9 allows remote attackers to cause a denial of service (application crash) via a font tag with a long color value, which triggers an assertion error.
Conclusion & alert: CVE-2008-4514 is rated High Exploit Risk (71/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.74%, 94th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.17% 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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 6704 | exploit_db | edb | 2008-10-08 | Exploit-DB ↗ |
| 6689 | exploit_db | edb | 2008-10-06 | Exploit-DB ↗ |
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 | 4.58% | 7.74% | +3.17% |
| 2 | 2025-11-29 | 3.70% | 4.58% | +0.88% |
| 3 | 2025-10-09 | — | 3.70% | — |
Full EPSS history (9 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-2008-4514 |
ubuntu
|
negligible | CVE-2008-4514 negligible priority: Ubuntu including 1 source packages (kdebase), 5 status rows across 5 suites (dapper, feisty, gutsy, hardy, upstream): ignored 4, needs-triage 1. | https://ubuntu.com/security/CVE-2008-4514 |
We do not consider a crash of a client application such as Konqueror to be a security issue.