CVE-2010-4378

The drv2.dll (aka RV20 decompression) module in RealNetworks RealPlayer 11.0 through 11.1,...

9.3 High

The drv2.dll (aka RV20 decompression) module in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, RealPlayer Enterprise 2.1.2 and 2.1.3, Linux RealPlayer 11.0.2.1744, and possibly HelixPlayer 1.0.6 and other versions, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted value of an unspecified length field in an RV20 video stream.

Exploit likelihood

5.68%Up 1.5 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Record: CVE-2010-4378
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-2010-4378
Updated: 2026-11-02

EUVDEUVD-2010-4347 No score

Record: EUVD-2010-4347
Updated: 2026-11-03

GitHub AdvisoriesGHSA-823r-m433-5jp9 No score

The drv2.dll (aka RV20 decompression) module in RealNetworks RealPlayer 11.0 through 11.1,...

Record: GHSA-823r-m433-5jp9
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-2010-4378 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 5.68%, the 93rd percentile. No source names a fixed version.

References

Show 34 moreShow less