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RealplayerApplication · Realnetworks

CVE-2010-3750

HIGH · 9.3 CVSS v2.0 Published 2010-10-19
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
rjrmrpln.dll in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.4, and RealPlayer Enterprise 2.1.2 does not properly validate file contents that are used during interaction with a heap buffer, which allows remote attackers to execute arbitrary code via crafted Name Value Property (NVP) elements in logical streams in a media file.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Heap buffer overflow vulnerability in RealPlayer's rjrmrpln.dll allows remote code execution via crafted Name Value Property (NVP) elements in media file streams. The DLL fails to properly validate file contents before using them in heap operations, enabling attackers to corrupt heap memory and execute arbitrary code through maliciously crafted media files.

MitigationUpdate to a patched RealPlayer version if available; if RealPlayer is End-of-Life, uninstall the vulnerable software and replace with an actively supported media player, or implement application whitelisting to block execution of untrusted media file handlers.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
RealplayerApplication
Affected:= 11.0= 11.0.1= 11.0.2= 11.0.3= 11.0.4= 11.0.5= 11.1= 2.1.2
Realplayer SpApplication
Affected:= 1.0.0= 1.0.1= 1.0.2= 1.0.5= 1.1= 1.1.1= 1.1.2= 1.1.3= 1.1.4

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
M
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Verify RealPlayer installation
    Check for RealPlayer installation by searching Program Files directories for RealPlayer or RealPlayer SP executables, or look for RealPlayer entries in Add/Remove Programs
    Affected if RealPlayer or RealPlayer SP is found installed on the system
  2. Identify installed RealPlayer version
    Right-click the RealPlayer executable (typically in C:\Program Files\Real\RealPlayer or C:\Program Files\RealPlayer), select Properties, and view the Version tab. Alternatively, open RealPlayer and navigate to Help > About RealPlayer
    Affected if The installed version matches one of the affected versions: RealPlayer 11.0 through 11.1, 2.1.2, or RealPlayer SP 1.0.0 through 1.1.4
  3. Confirm vulnerable DLL presence
    Locate the rjrmrpln.dll file in the RealPlayer installation directory (typically in the \RealPlayer\Common\ directory or within the main application folder)
    Affected if The rjrmrpln.dll file exists in the RealPlayer installation directory on an affected version
  4. Check media file associations
    Inspect Windows default program associations (Default Programs > Set Default Programs > RealPlayer) to see if RealPlayer is set as default handler for media file types such as .rm, .ram, .rp, .smil, or other RealMedia formats
    Affected if RealPlayer is configured as the default handler for any RealMedia file types, making the vulnerability reachable through opening malicious files

The system is affected if RealPlayer or RealPlayer SP version 11.0-11.1, 2.1.2, or SP 1.0.0-1.1.4 is installed with the rjrmrpln.dll component present and RealPlayer handles media file types.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Update to a patched RealPlayer version if available; if RealPlayer is End-of-Life, uninstall the vulnerable software and replace with an actively supported media player, or implement application whitelisting to block execution of untrusted media file handlers.

Recommended fix Moderate confidence

RealPlayer 11.1 or later

  1. 1. Uninstall the affected RealPlayer version (11.0, 11.0.1, 11.0.2, 11.0.3, or RealPlayer SP 1.0.0-1.0.5)
  2. 2. Download RealPlayer 11.1 or later from the official RealNetworks archive or trusted software repository
  3. 3. Install the newer version which contains the fix for the rjrmrpln.dll input validation vulnerability
  4. 4. Verify the installed version matches or exceeds 11.1 using Help > About RealPlayer
Caveat RealPlayer has been discontinued by RealNetworks; ensure any required codec support is available in the replacement version or alternative media player

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Realplayer Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
9.0 hours of engineering $1,600
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2010-3750 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data