CVE-2010-4383

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0...

9.3 High

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, RealPlayer Enterprise 2.1.2, Mac RealPlayer 11.0 through 12.0.0.1444, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remote attackers to have an unspecified impact via a crafted RA5 file.

Exploit likelihood

3.07%Up 1.9 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2010-4383
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-2010-4383
Updated: 2026-11-02

EUVDEUVD-2010-4352 No score

Record: EUVD-2010-4352
Updated: 2026-11-03

GitHub AdvisoriesGHSA-pq35-g3gc-7vg7 No score

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0...

Record: GHSA-pq35-g3gc-7vg7
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-2010-4383 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 3.07%, the 87th percentile. No source names a fixed version.

References

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