CVE-2009-4244
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, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via an SIPR codec field with a small length value that triggers incorrect memory allocation.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 7.24% probability · 94th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- realnetworks/realplayer · realnetworks/realplayer enterprise · realnetworks/realplayer sp · realnetworks/helix player
- Source
- cve@mitre.org
EPSS 7.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://secunia.com/advisories/38218Vendor Advisory
- http://securitytracker.com/id?1023489Patch
- http://service.real.com/realplayer/security/01192010_player/en/Patch, Vendor Advisory
- http://www.securityfocus.com/archive/1/509098/100/0/threaded
- http://www.securityfocus.com/bid/37880
- http://www.vupen.com/english/advisories/2010/0178Patch, Vendor Advisory
- http://www.zerodayinitiative.com/advisories/ZDI-10-008/Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55797
- http://secunia.com/advisories/38218Vendor Advisory
- http://securitytracker.com/id?1023489Patch
- http://service.real.com/realplayer/security/01192010_player/en/Patch, Vendor Advisory
- http://www.securityfocus.com/archive/1/509098/100/0/threaded
- http://www.securityfocus.com/bid/37880
- http://www.vupen.com/english/advisories/2010/0178Patch, Vendor Advisory
- http://www.zerodayinitiative.com/advisories/ZDI-10-008/Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55797
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.