CVE-2010-4386

RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, Linux RealPlayer 11.0...

9.3 High

RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted RealMedia video file.

Exploit likelihood

4.35%Up 0.2 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2010-4386
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2010-4386
Updated: 2026-11-02

EUVDEUVD-2010-4355 No score

Record: EUVD-2010-4355
Updated: 2026-11-03

GitHub AdvisoriesGHSA-q39j-mm6g-6jg5 No score

RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, Linux RealPlayer 11.0...

Record: GHSA-q39j-mm6g-6jg5
Weakness: CWE-119
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`HelixPlayer` Red Hat:enterprise_linux:4::as From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1
`HelixPlayer-uninstall` Red Hat:enterprise_linux:4::as From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1
`HelixPlayer` Red Hat:enterprise_linux:4::desktop From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1
`HelixPlayer-uninstall` Red Hat:enterprise_linux:4::desktop From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1
`HelixPlayer` Red Hat:enterprise_linux:4::es From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1
`HelixPlayer-uninstall` Red Hat:enterprise_linux:4::es From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1
`HelixPlayer` Red Hat:enterprise_linux:4::ws From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1
`HelixPlayer-uninstall` Red Hat:enterprise_linux:4::ws From an advisory covering 10 CVEs	before 1:1.0.6-3.el4_8.1	1:1.0.6-3.el4_8.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-4386 is a high vulnerability (CVSS 9.3) in Realnetworks Realplayer, published December 14, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.35%, the 91st percentile. No source names a fixed version.

References

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