CVE-2009-0375: Buffer overflow in a DLL file in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.174...

Security readout for executives and security teams

This is an old RealPlayer/Helix Player flaw where a malicious IVR media file could make the player write outside expected memory and potentially run attacker-controlled code. Business risk is mainly from legacy desktops or servers that still keep these media players or Windows Explorer integration installed. Exposure is most likely in legacy environments with RealPlayer 10/10.5/11, RealPlayer Enterprise, Mac or Linux RealPlayer 10, or Helix Player 10.x still installed. Modern estates are likely unaffected unless old media tooling remains for archival workflows. Prioritize as a legacy software removal and exposure-reduction issue. It is high impact if affected software remains, but urgency depends on whether these obsolete RealNetworks products are still present. Mitigation focus: Inventory and remove unsupported RealPlayer or Helix Player installations where possible.; Review RealNetworks advisory guidance and apply the vendor-recommended security update if still applicable.; Restrict IVR file handling on systems that must retain legacy players..

Prepared

Jun 28, 2026, 11:23 UTC (UTC+00:00)

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