CVE-2008-1309

Exp

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.

Published: 2008-03-12 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2008-1309 is rated High Exploit Risk (86.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 74.75%, 99th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2008-1309

EDB-ID Source Kind Published Link
16584 exploit_db edb 2010-06-15 Exploit-DB ↗
5332 exploit_db edb 2008-04-01 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2008-1309

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-18 75.20% 74.75% -0.45%
2 2025-12-30 75.49% 75.20% -0.30%
3 2025-08-06 75.49%

Full EPSS history (27 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-1309

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2008-1309

OS Trackers for CVE-2008-1309

vendor priority summary link
redhat https://access.redhat.com/security/cve/CVE-2008-1309

Vendor comments (NVD) for CVE-2008-1309

  • Red Hat (2008-03-18T00:00:00)

    Not vulnerable. This issue did not affect versions of RealPlayer as shipped with Red Hat Enterprise Linux 3 Extras, 4 Extras, or 5 Supplementary.

Affected software / configurations for CVE-2008-1309

Vendor Product Version Raw CPE
realnetworks realplayer cpe:2.3:a:realnetworks:realplayer:*:*:enterprise:*:*:*:*:*
realnetworks realplayer 10.0 cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*
realnetworks realplayer 10.5 cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*
realnetworks realplayer 11 cpe:2.3:a:realnetworks:realplayer:11:*:*:*:*:*:*:*

References for CVE-2008-1309

cvelogic Threat Intelligence