CVE-2010-4375

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, Mac RealPlayer 11.0...

9.3 High

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, Mac RealPlayer 11.0 through 11.1, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remote attackers to execute arbitrary code via malformed multi-rate data in an audio stream.

Exploit likelihood

6.29%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2010-4375
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-2010-4375
Updated: 2026-11-02

EUVDEUVD-2010-4344 No score

Record: EUVD-2010-4344
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v5c6-8332-w725 No score

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, Mac RealPlayer 11.0...

Record: GHSA-v5c6-8332-w725
Weakness: CWE-119
Updated: 2026-11-02

Affected products

realnetworks realplayer

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-2010-4375 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 6.29%, the 93rd percentile. No source names a fixed version.

References

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