CVE-2007-3820: konqueror/konq_combo.cc in Konqueror 3.5.7 allows remote attackers to spoof the data: URI scheme in the add...

Security readout for executives and security teams

This is an old browser trust issue in Konqueror 3.5.7. A malicious page could make the address bar hide the true beginning of a data: URI, misleading users about what they are viewing. The main business risk is phishing or user deception on legacy systems, not a server-side compromise based on the supplied sources. Exposure is mainly legacy desktop environments using Konqueror 3.5.7 or affected distribution packages from the 2007 KDE-era stack. Modern managed endpoints are unlikely to be exposed unless old Linux images, kiosks, VDI templates, or archival systems remain in use. Treat this as a legacy exposure cleanup item. It is not marked as actively exploited in the supplied data, but affected browsers can undermine user trust and phishing defenses. Prioritize remediation where old Linux desktops or kiosks interact with untrusted web content. Mitigation focus: Identify any systems with Konqueror 3.5.7 or affected KDE browser packages.; Apply relevant vendor updates from Red Hat, Fedora, Ubuntu, or current distribution guidance.; Retire unsupported legacy desktop images that still include affected Konqueror versions..

Prepared

Jun 29, 2026, 04:34 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.