konqueror/konq_combo.cc in Konqueror 3.5.7 allows remote attackers to spoof the data: URI scheme in the address bar via a long URI with trailing whitespace, which prevents the beginning of the URI from being displayed.
Conclusion & alert: CVE-2007-3820 is rated Moderate Risk (40.6/100): CVSS Low severity, with medium exploitation likelihood (EPSS 2.56%). Core evidence: EPSS rose +1.17% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 1.39% | 2.56% | +1.17% |
| 2 | 2026-06-08 | 1.18% | 1.39% | +0.21% |
| 3 | 2026-03-05 | — | 1.18% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.6 | 2.0 | LOW |
|
4.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2007-3820 |
ubuntu
|
low | CVE-2007-3820 low priority: Ubuntu including 1 source packages (kdebase), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 4. | https://ubuntu.com/security/CVE-2007-3820 |
This issue did not affect Red Hat Enterprise Linux 2.1 or 3. For Red Hat Enterprise Linux 4 and 5, Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=248537 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.