HOMEVULNERABILITIESCVE-2008-1309
CRITICALPOC

CVE-2008-1309

CWE-399Published: March 12, 2008· Updated: Jun 16, 2026

9.3
CVSS v3.1

Official Description

The RealAudioObjects.RealAudio ActiveX control in rmoc3260.dll in RealNetworks RealPlayer Enterprise, RealPlayer 10, RealPlayer 10.5 before build 6.0.12.1675, and RealPlayer 11 before 11.0.3 build 6.0.14.806 does not properly manage memory for the (1) Console or (2) Controls property, which allows remote attackers to execute arbitrary code or cause a denial of service (browser crash) via a series of assignments of long string values, which triggers an overwrite of freed heap memory.

NVD Source

Technical Analysis

CVE-2008-1309 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-1309. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected Vendors & Products

realnetworks1 product(s)
realplayer
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (26)

Quick Facts

CVE IDCVE-2008-1309
CVSS Score9.3 / 10
SeverityCRITICAL
WeaknessCWE-399
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedMar 12, 2008

Related CVEs (CWE-399)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2008-1309 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.