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CVE-2009-4244

27
FAUCET Score

CVE-2009-4244 is a critical heap-based buffer overflow vulnerability affecting multiple versions of RealNetworks RealPlayer, RealPlayer Enterprise, Mac RealPlayer, Linux RealPlayer, and Helix Player. This flaw allows remote attackers to execute arbitrary code by exploiting incorrect memory allocation triggered by a small length value in an SIPR codec field. With a CVSS score of 9.3, it carries a high severity, indicating a network-based attack with medium complexity that can lead to 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
10.0CPE matchmatch criteria
cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*
10.5CPE matchmatch criteria
cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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
7.26%
Probability of exploitation in next 30 days
EPSS Percentile
93.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0726 is in the 71st 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

Vendor Advisories (1)

redhatCVE-2009-4244Critical

RealPlayer: multiple security issues (01192010_player)

Jan 19, 2010

References

secunia.com / advisories/38218
Vendor Advisory
securitytracker.com / id
Patch
service.real.com / realplayer/security/01192010_player/en
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/55797
securityfocus.com / archive/1/509098/100/0/threaded
securityfocus.com / bid/37880
vupen.com / english/advisories/2010/0178
PatchVendor Advisory
zerodayinitiative.com / advisories/ZDI-10-008
Patch