CVE-2009-4248

CRITICAL 9.3CVE-2009-4248 · Published 25/01/2010 · updated 16/06/2026

In short

CVE-2009-4248 is a CRITICAL (CVSS 9.3) vulnerability affecting helix player (realnetworks), realplayer (realnetworks), realplayer sp (realnetworks).
Chance of exploitation in the next 30 days (EPSS): 6.8%, higher than 94.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
helix player realnetworks	`= 10.0= 11.0.0= 11.0.1`	No fix yet
realplayer realnetworks	`= 10.0= 10.1= 10.5= 11.0= 11.0.0= 11.0.1= 11.0.2= 11.0.3= 11.0.4= 11.0.5`	No fix yet
realplayer sp realnetworks	`= 1.0.0= 1.0.1`	No fix yet

Description

Buffer overflow in the RTSPProtocol::HandleSetParameterRequest function in client/core/rtspprotocol.cpp in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted RTSP SET_PARAMETER request.

References

More vulnerabilities in helix player

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