CVE-2010-4382: Multiple heap-based buffer overflows in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 throug...

Security readout for executives and security teams

CVE-2010-4382 is an old RealPlayer/HelixPlayer media-file parsing issue. A crafted RealMedia file can trigger heap buffer overflows in affected RealNetworks player versions. Sources do not specify the exact consequence, CVSS score, or active exploitation, so urgency depends on whether those legacy players remain installed or used with untrusted media. Exposure is most likely on legacy desktops or Linux systems with affected RealNetworks media players installed. Modern environments without RealPlayer, RealPlayer Enterprise, Linux RealPlayer, or HelixPlayer are unlikely to be exposed based on the supplied sources. Treat this as a legacy software risk. It is not currently supported by evidence of active exploitation, but vulnerable media players parsing untrusted files create avoidable endpoint exposure. Prioritize removal or update if any affected versions remain in production. Mitigation focus: Inventory and remove unsupported RealNetworks media players where they are not required.; Check the RealNetworks advisory for vendor-provided fixed versions or guidance.; Apply Red Hat RHSA-2010:0981 where relevant to managed Linux systems..

Prepared

Jun 28, 2026, 01:17 UTC (UTC+00:00)

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