CVE-2005-0455: Stack-based buffer overflow in the CSmil1Parser::testAttributeFailed function in smlparse.cpp for RealNetwo...

Security readout for executives and security teams

CVE-2005-0455 is a RealPlayer/RealOne Player flaw where a malicious .SMIL media file could crash the player or run attacker-controlled code. Business risk is highest where legacy RealNetworks players remain installed or reachable through file associations, email attachments, downloads, or intranet content. Exposure is most likely on legacy desktops, kiosks, or Linux systems still running affected RealNetworks players. Modern environments are less likely exposed unless old media software was retained for compatibility or embedded workflows. Prioritize remediation if legacy RealPlayer exists in the environment. The vulnerability is old, but arbitrary code execution through media files creates avoidable endpoint risk, especially on unmanaged or long-lived systems. Mitigation focus: Inventory systems for affected RealPlayer and RealOne Player versions.; Follow RealNetworks and Red Hat advisory guidance for updates or replacement.; Remove unsupported RealNetworks players where business use is no longer required..

Prepared

Jun 29, 2026, 23:55 UTC (UTC+00:00)

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