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CVE-2010-4378

29
FAUCET Score

CVE-2010-4378 describes a heap memory corruption vulnerability in the drv2.dll module of RealNetworks RealPlayer versions 11.0 through 11.1, RealPlayer SP, RealPlayer Enterprise, and Linux RealPlayer. This flaw allows remote attackers to execute arbitrary code or cause a denial of service by providing a specially crafted RV20 video stream with an unspecified length field. With a CVSS score of 9.3, this vulnerability is considered critical due to its network attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
11.0CPE matchmatch criteria
cpe:2.3:a:realnetworks:realplayer:11.0:*:*:*:*:*:*:*
11.0.1CPE matchmatch criteria
cpe:2.3:a:realnetworks:realplayer:11.0.1:*:*:*:*:*:*:*
11.0.2CPE matchmatch criteria
cpe:2.3:a:realnetworks:realplayer:11.0.2:*:*:*:*:*:*:*
11.0.3CPE matchmatch criteria
cpe:2.3:a:realnetworks:realplayer:11.0.3:*:*:*:*:*:*:*
11.0.4CPE matchmatch criteria
cpe:2.3:a:realnetworks:realplayer:11.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.79%
Probability of exploitation in next 30 days
EPSS Percentile
92.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0579 is in the 64th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: HelixPlayer-1:1.0.6-3.el4_8.1
View patch

Vendor Advisories (1)

redhatCVE-2010-4378Critical

HelixPlayer multiple flaws (CVE-2010-2997, CVE-2010-4375, CVE-2010-4378, CVE-2010-4379, CVE-2010-4382, CVE-2010-4383, CVE-2010-4385, CVE-2010-4386, CVE-2010-4392, CVE-2010-4376)

Dec 10, 2010

References

service.real.com / realplayer/security/12102010_player/en
Vendor Advisory
redhat.com / support/errata/RHSA-2010-0981.html
securitytracker.com / id
zerodayinitiative.com / advisories/ZDI-10-274