# CVE-2010-0121: Other in n/a

> RealPlayer's cook codec has improper initialization, leading to unspecified impact and attack vectors.

- **Severity:** Critical 10.0 (`AV:N/AC:L/Au:N/C:C/I:C/A:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not stated
- **Attackable:** Not stated
- **Victim action needed:** Not stated
- **Fix available:** No
- **Published:** 14 Dec 2010
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-xcff-45fg-j54m

## What is CVE-2010-0121?

CVE-2010-0121 is a critical vulnerability in Realnetworks Realplayer, published on 14 Dec 2010. 

### Official description

The cook codec in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, Mac RealPlayer 11.0 through 12.0.0.1444, and Linux RealPlayer 11.0.2.1744 does not properly perform initialization, which has unspecified impact and attack vectors.

## Which versions are affected by CVE-2010-0121?

It affects 2 products.


Products: Realnetworks Realplayer, Realnetworks Realplayer Sp.

## How do I fix CVE-2010-0121?

No fix has been published for CVE-2010-0121 yet. Limit exposure of the affected software until one is available.

## Is CVE-2010-0121 being exploited?

There is no known exploitation of CVE-2010-0121 in the wild and no public exploit code.

## 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-2010-0121 and fix it if it is affected.

What it is: CVE-2010-0121 is a critical vulnerability in Realnetworks Realplayer, published on 14 Dec 2010. 
Exploitation: There is no known exploitation of CVE-2010-0121 in the wild and no public exploit code.

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-2010-0121/ (Markdown: https://insights.sbomify.com/CVE-2010-0121/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2010-0121
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2010-0121
- OSV: https://osv.dev/vulnerability/CVE-2010-0121

---
From sbomify Insights: https://insights.sbomify.com/CVE-2010-0121/
Summaries are generated and may contain mistakes; the official description above is the record.