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CVE-2010-4389· NVD / CVE Program· CNA mitre

Heap-based buffer overflow in the cook codec in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, and Linux RealPl

Heap-based buffer overflow in the cook codec in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, and Linux RealPlayer 11.0.2.1744 allows remote attackers to execute arbitrary code via unspecified data in the initialization buffer.

CriticalCVSS 9.3 · v2.0—No exploit No fix recorded
Published
Dec 14, 2010
Updated
Jun 16, 2026
EPSS
6.6% · 94th percentile
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Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
37 / 40 · 9.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 6.6%

Affected systems

VendorProduct
realnetworksrealplayer
realnetworksrealplayer sp
linuxlinux kernel

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • realnetworks realplayer11.0
  • realnetworks realplayer11.0.1
  • realnetworks realplayer11.0.2
  • realnetworks realplayer11.0.2.1744
  • realnetworks realplayer11.0.3
  • realnetworks realplayer11.0.4
  • realnetworks realplayer11.0.5
  • realnetworks realplayer11.1
  • realnetworks realplayer sp1.0.0
  • realnetworks realplayer sp1.0.1
  • realnetworks realplayer sp1.0.2
  • realnetworks realplayer sp1.0.5
  • realnetworks realplayer sp1.1
  • realnetworks realplayer sp1.1.1
  • realnetworks realplayer sp1.1.2
  • realnetworks realplayer sp1.1.3
  • realnetworks realplayer sp1.1.4
  • realnetworks realplayer sp1.1.5

Same product

realnetworks: all records

Other highest-scoring records for the same primary product.

  • CVE-2012-5691Buffer overflow in RealNetworks RealPlayer before 16.0.0.282 and RealPlayer SP 1.0 through 1.1.5 allows remote attackers to execute arbitrar
    53Plan
  • CVE-2008-1309The RealAudioObjects.RealAudio ActiveX control in rmoc3260.dll in RealNetworks RealPlayer Enterprise, RealPlayer 10, RealPlayer 10.5 before
    51Plan
  • CVE-2013-7260Multiple stack-based buffer overflows in RealNetworks RealPlayer before 17.0.4.61 on Windows, and Mac RealPlayer before 12.0.1.1738, allow r
    50Plan
  • CVE-2007-5601Stack-based buffer overflow in the Database Component in MPAMedia.dll in RealNetworks RealPlayer 10.5 and 11 beta, and earlier versions incl
    50Plan
  • CVE-2010-3747An ActiveX control in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, and RealPlayer Enterprise 2.1.2 does not p
    47Plan
  • CVE-2011-2950Heap-based buffer overflow in qcpfformat.dll in RealNetworks RealPlayer 11.0 through 11.1 and 14.0.0 through 14.0.5 and RealPlayer SP 1.0 th
    46Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    C · data can be read
    Integrity
    C · data or configuration can be modified
    Availability
    C · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    C
    Integrity impact
    C
    Availability impact
    C

    Weakness class (CWE)

    CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

    CVSS vector

    AV:N/AC:M/Au:N/C:C/I:C/A:C

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    ATT&CK techniques

    —

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records