# CVE-2008-1309: Use after free in n/a

> Remote attackers can execute arbitrary code or crash the browser via a use-after-free vulnerability in the RealPlayer ActiveX control triggered by long string assignments.

- **Severity:** Critical 9.3 (`AV:N/AC:M/Au:N/C:C/I:C/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 12 Mar 2008
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-g64h-446x-5j6x

## What is CVE-2008-1309?

CVE-2008-1309 is a critical use after free vulnerability in Realnetworks Realplayer, published on 12 Mar 2008. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### 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.

Weakness: CWE-399

## Which versions are affected by CVE-2008-1309?

It affects 1 product.


Products: Realnetworks Realplayer.

## How do I fix CVE-2008-1309?

No fix has been published for CVE-2008-1309 yet. Limit exposure of the affected software until one is available.

## Is CVE-2008-1309 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-1309 exists.

Public exploit code:

- RealPlayer rmoc3260.dll ActiveX Control Heap Corruption (metasploit)
- Real Player - 'rmoc3260.dll' ActiveX Control Remote Code Execution (exploitdb)
- RealPlayer - 'rmoc3260.dll' ActiveX Control Heap Corruption (Metasploit) (exploitdb)

## Other vulnerabilities in Realnetworks Realplayer

- [CVE-2011-4244](https://insights.sbomify.com/CVE-2011-4244/): Memory corruption in n/a (critical 10.0)
- [CVE-2011-4245](https://insights.sbomify.com/CVE-2011-4245/): Memory corruption in n/a (critical 10.0)
- [CVE-2011-4246](https://insights.sbomify.com/CVE-2011-4246/): Memory corruption in n/a (critical 10.0)
- [CVE-2011-4249](https://insights.sbomify.com/CVE-2011-4249/): Memory corruption in n/a (critical 10.0)
- [CVE-2011-4250](https://insights.sbomify.com/CVE-2011-4250/): Memory corruption in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2008-1309 and fix it if it is affected.

What it is: CVE-2008-1309 is a critical use after free vulnerability in Realnetworks Realplayer, published on 12 Mar 2008. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-1309 exists.

Affected product: Realnetworks Realplayer. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2008-1309/ (Markdown: https://insights.sbomify.com/CVE-2008-1309/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2008-1309
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2008-1309
- OSV: https://osv.dev/vulnerability/CVE-2008-1309

---
From sbomify Insights: https://insights.sbomify.com/CVE-2008-1309/
Summaries are generated and may contain mistakes; the official description above is the record.