CVE Tools
Sign in

CVE-2009-4247

Published: Jan 25, 2010Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
9.3CRITICAL
NVD MITRE
EPSS Score
6.8%
Top 6.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an "array overflow."

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:MAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

realnetworks
commercial·USaka realplayer, realone player
realplayerOn-premDesktop App
Consumer Software / media-player
realplayer enterpriseOn-premDesktop App
Consumer Software / media-player
realplayer spOn-premDesktop App
Consumer Software / media-player
helix playerOn-premDesktop App
Consumer Software / media-player
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2009-4247?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.redhat.com/support/errata/RHSA-2010-0094.html
redhat.com
http://www.vupen.com/english/advisories/2010/0178
vupen.com
http://securitytracker.com/id?1023489
securitytracker.com
and 10 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2009-4247 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows