CVE-2009-4241: realnetworks helix_player
Vulnerability summary
CVE-2009-4241 is a high (CVSS 9.3) vulnerability in realnetworks helix_player. EPSS estimates a 7.06% chance of exploitation in the next 30 days, higher than 94.2% of scored vulnerabilities.
Not severe (CVSS 9.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 25-01-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Heap-based buffer overflow in RealNetworks RealPlayer 10, RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741, RealPlayer 11 11.0.0 through 11.0.4, RealPlayer Enterprise, Mac RealPlayer 10 and 10.1, Linux RealPlayer 10, and Helix Player 10.x allows remote attackers to execute arbitrary code via a file with invalid ASMRuleBook structures that trigger heap memory corruption.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
7.06%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.06% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Realnetworks3 products
- helix_player10.0 | 11.0.0 | 11.0.1
- realplayer10.0 | 10.5 | 11.0 | 11.0.1 | 11.0.2 | 11.0.3 | 11.0.4 | 11.0.5 | 10.1 | 11.0.0
- realplayer_sp1.0.0 | 1.0.1
1 vendor · 3 products